EP1924185B1 - Floor nozzle for a vaccum cleaner comprising a controlable brush - Google Patents

Floor nozzle for a vaccum cleaner comprising a controlable brush Download PDF

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Publication number
EP1924185B1
EP1924185B1 EP06778306A EP06778306A EP1924185B1 EP 1924185 B1 EP1924185 B1 EP 1924185B1 EP 06778306 A EP06778306 A EP 06778306A EP 06778306 A EP06778306 A EP 06778306A EP 1924185 B1 EP1924185 B1 EP 1924185B1
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EP
European Patent Office
Prior art keywords
bristle strip
floor nozzle
vacuum cleaner
switching device
setting
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
EP06778306A
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German (de)
French (fr)
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EP1924185A1 (en
Inventor
Thomas GÖPPNER
Albert Kleinhenz
Michael Krammer
Heribert Schwarz
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Filing date
Publication date
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Publication of EP1924185A1 publication Critical patent/EP1924185A1/en
Application granted granted Critical
Publication of EP1924185B1 publication Critical patent/EP1924185B1/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
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • 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
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor
    • A47L9/0653—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor with mechanical actuation, e.g. using a lever

Definitions

  • the invention relates to a Staubsauger foundeddüse according to the preamble of claim 1.
  • a second design form the so-called hand vacuum cleaner.
  • the suction pipe is rigidly connected to the vacuum cleaner housing.
  • engine, blower, electrical and filter unit are housed in the housing.
  • the negative pressure generated by the motor and blower is applied to the surfaces to be cleaned.
  • These are usually either hard, smooth surfaces of floor coverings such as parquet, PVC, stone, etc., or textile surfaces such as carpets, furniture upholstery, etc.
  • the different nature of the surface partially conflicting demands on the functionality of floor nozzle.
  • air-permeable surfaces such as carpets
  • the best possible resting of the floor nozzle is desirable in order to achieve a deep and high suction effect.
  • the direct suction is often insufficient to release stuck dirt particles from the surface.
  • Floor nozzles are therefore usually equipped with one or more bristle strips. These are arranged so that their bristles extend from the bottom of the floor nozzle, which contacts the surface to be cleaned, substantially perpendicular to the floor nozzle. Usually, these bristles are by means of a footswitch on the floor nozzle via a mechanism between an extended position in which the bristles protrude from the bottom of the floor nozzle and so can come into contact with the floor covering and optionally create a distance between the nozzle and floor covering and a recessed position , in which they are essentially retracted into the floor nozzle without function, switchable.
  • the invention is based on the generic Staubsauger convinceddüse in that the switching device has a third switching position in which the bristle strip automatically take the first or the second position. In this third switching position, neither the first nor the second position is prescribed for the bristle strip. In particular, the bristle strip is fixed neither in the first nor in the second position, but can automatically, depending on the current conditions of the cleaning process with the Staubsauger convinceddüse, occupy the first or second position and change between two positions.
  • the position of the bristle strip in the third switching position takes place without direct intervention of the operator. Consequently, the operator can perform a targeted floor care on the first or second switching position, in which the bristle strip in the. first or in the second position.
  • the user can perform a simplified floor care by means of the vacuum cleaner floor nozzle by bringing the switching device in the third switching position in which the bristle strip automatically selects their respective position. This frees the user from selecting the respective suitable position of the bristle strip and in particular from interrupting the cleaning operation for actuating the switching device. In this way, the cleaning process with the Staubsauger convinceddüse invention particularly simple.
  • the change takes place between the first and the second position of the bristle strip in dependence on the surface to be cleaned. Since, as already explained above, the different surfaces to be cleaned make different demands on the Staubsauger convinceddüse, changing the surface quality is usually the reason for changing the position of the bristle strip.
  • the change between the two positions takes place automatically in the third switching position, so that this embodiment particularly facilitates the work.
  • the change takes place between the first and the second position of the bristle strip as a function of the direction of movement of the vacuum cleaner floor nozzle.
  • a change in the position of the bristle strip depending on the direction of movement is particularly structured on carpets and other Surfaces of advantage.
  • the vacuum cleaner floor nozzle When the vacuum cleaner floor nozzle is moved in the backward direction, ie towards the user, the vacuum cleaner floor nozzle can then move to the second position, which may correspond, for example, to an extended position of the bristle strip so as to effect a slight combing through of the carpet. This can lead to a larger dust intake.
  • an alternative embodiment of the invention provides that the first position of the bristle strip is primarily for carpets and the second position is primarily for hard floor coverings.
  • the first position corresponds to a position which is lowered, for example, into the housing of the vacuum cleaner floor nozzle.
  • the bristle strip protrudes from the housing of the Staubsauger convinceddüse and thus exerts a brushing action on the floor to be cleaned.
  • the switching device comprises a roller switch.
  • a roller switch By means of a roller switch, the desired switching position of the switching device can be adjusted by the user.
  • other switching mechanisms such as a slide switch, a pressure switch, a transfer switch or the like can be used.
  • the switching movement of the switching device is imparted to the bristle strip via a driver-pin mechanism.
  • a driver may be attached to the switching device, which transmits the movement caused by the actuation of the switching device to a pin and further to the bristle strip.
  • the movement can take place via a linkage, via gears or the like.
  • the driver is designed substantially V-shaped.
  • the V-shaped carrier can be designed in particular for the realization of the three-stage mechanism for the control of the bristle strip.
  • a pivoting of the V-shaped driver about an axis which is perpendicular to the plane spanned by the two legs through the intersection of the two legs, allows a precise definition of the position of the entrained pin at the two end points of the rotational movement. In a middle position, a certain mobility of the pin can be achieved, which allows a change of the bristle strip between the two positions.
  • the bristle strip passes from the first to the second position by means of gravity.
  • reset elements such as springs or the like may be provided.
  • the invention is based on the knowledge to provide a third switching position in addition to the two switching positions for a bristle strip according to the prior art. In this switching position, the bristle strip can move freely between its two positions. With an appropriate structural design, an automatic function for the bristle strip can be realized in this way.
  • the present invention can be used in all common vacuum cleaner types and cleaning systems.
  • FIG. 1 shows a perspective view of a Staubsauger foundeddüse 10 according to the invention.
  • This has a housing 12, which is divided into an upper shell 14 and a lower housing part 16. Furthermore, a suction pipe connection 18 as well as two roller switches 20 inserted in the upper shell 14 are provided.
  • the Staubsauger foundeddüse 10 further comprises a bristle strip 22 which in FIG. 1 not visible. The interaction of the roller switch 20 and the bristle strip 22 will be described with reference to FIGS FIGS. 2a and 2 B explained.
  • FIGS. 2a and 2 B show a perspective view of a roller switch bristle strip arrangement in two different positions of the bristle strip 22nd
  • FIG. 2a shows the bristle strip in the second position, ie the position in which the bristle strip is extended.
  • FIG. 2b shows, however, the bristle strip 22 in its retracted position.
  • Both FIGS. 2a and 2 B show the roller switch pair 20 which is rotatably mounted about a common axis A.
  • the roller switches 20 each have a pair of drivers 24, 26.
  • the drivers 24, 26 are arranged in a V-shape.
  • the imaginary intersection or the cutting line of the two drivers 24, 26 lies on a rotation axis A about which the roller switches 20 and the drivers 24, 26 are rotatably mounted.
  • the bristle strip 22 is additionally attached.
  • the roller switch 20 In the in FIG. 2a shown position of the roller switch 20 is a rotation of the support member 30 such that its pin 28 in the direction of the driver 24, in the present illustration thus counterclockwise, prevented by the pin 24 of the roller switch 20.
  • the roller switch 20 is rotatably supported about its axis A, but are held in the desired position, for example by a pin of the Staubsauger convinceddüse which engages in recesses of the roller switch 20.
  • a pin sits on the switch and engages in recesses of the housing of the Staubsauger convinceddüse 10.
  • the roller switch 20 block via their driver 24, a rotation of the support member 30 in the counterclockwise direction about the axis B and thus hold the bristle strip 22 in a position in which this protrudes from the housing 12 of the vacuum cleaner floor nozzle 10. A movement of the bristle strip 22 and the support member 30 in a clockwise direction is prevented by further stop elements, not shown.
  • the roller switch 20 is actuated, that is rotated clockwise about its axis A, the FIG. 2a shown roller switch carrier element bristle strip arrangement in the in FIG. 2b shown converted configuration as the end position.
  • FIG. 3a shows the roller switch-carrier element mechanism in the first position in which the bristle strip 22 is recessed into the housing 12 of the vacuum cleaner floor nozzle 10.
  • the upper shell 14 and a lower housing part 16 are shown.
  • the driver 26 the pin 28 of the support member 30 and thus prevent a decrease in the bristle strip 22 which is attached to the support member 30.
  • FIG. 3b is the Staubsauger foundeddüse 10 of FIG. 3a shown in a state in which the roller switch-carrier element mechanism has brought the bristle strip 22 in a position in which the bristle strip 22 can come into contact with the surface to be cleaned.
  • the driver 24 the Pin 28 of the support member 30 and thus prevent upward movement of the attached to the support member 30 bristle strip 22 in the direction of the housing upper shell 14th
  • FIGS. 3a and 3b described switching positions of the roller switch 20 and the bristle strip 22 correspond to the outer end points of the rotational freedom of the roller switch 20.
  • a further third switching position for the roller switch 20 is provided in which the bristle strip 22 performs an automatic function.
  • Figure 3c is the roller switch 20 in this automatic position.
  • the pin 28 of the support member 30 can move freely between the drivers 24, 26 of the roller switch 20.
  • the support member 30 depending on the nature of the ground to rotate about the axis B.
  • the Staubsauger convinceddüse 10 moves, for example, hard floor.
  • the roller switch-carrier element mechanism is also shown in the predetermined by the switching position of the s 20 automatic function.
  • the Staubsauger foundeddüse is here on carpet and thereby performs a forward movement, that is, it moves in the figure from right to left, ie away from the user.
  • the bristle strip 22 is urged by the sinking of the vacuum cleaner floor nozzle 10 into the carpet in the direction of the upper shell 14. This movement ends when the pin 28 of the support member 30 abuts the driver 24 of the roller switch 20. In this way, the bristle strip 22 makes no or only a slight resistance during a forward movement of the Staubsauger convinceddüse 10th
  • FIG. 4 shows a perspective view of the invention Staubsauger Camilldüse 10.
  • the bristle strip 22, the support member 30 and the interaction with the driver 26 of the roller switch 20 are clearly visible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

The invention relates to a floor nozzle for a vaccum cleaner (10) comprising a control device and a brush (22), wherein said brush adopts a first position during a first control positon of the control device and a second position during a second control position of the control device. The aim of the invention is to improve the operation of said nozzle. According to the invention, the control device comprises a third control position wherein the brush (22) can automatically adopt the first and the second position.

Description

Die Erfindung betrifft eine Staubsaugerbodendüse nach dem Oberbegriff von Anspruch 1.The invention relates to a Staubsaugerbodendüse according to the preamble of claim 1.

Die verschiedenen Staubsaugertypen gemäß dem Stand der Technik wie zB. DE 4016 464 oder GB 2 109 224 lassen sich prinzipiell in zwei unterschiedliche Bauformen unterteilen:

  • Bei sogenannten Bodenstaubsaugern sind in einem zumeist auf Rollen gelagerten Gehäuse Motor, Gebläse, Filtereinheit und elektronische Einrichtungen angeordnet. Ein oft teleskopartig in der Länge verstellbares Saugrohr ist an einem Ende mittels eines flexiblen Saugschlauchs mit dem Gehäuse beziehungsweise dem Gebläse des Bodenstaubsaugers verbunden und weist an seinem anderen Ende eine Bodendüse auf, die mit der zu reinigenden Oberfläche in Kontakt tritt.
The various vacuum cleaner types according to the prior art such as. DE 4016 464 or GB 2,109,224 can in principle be divided into two different types:
  • In so-called canister vacuum cleaners, the motor, blower, filter unit and electronic devices are arranged in a housing, which is usually mounted on rollers. An often telescopically adjustable in length suction pipe is connected at one end by means of a flexible suction hose to the housing or the blower of the vacuum cleaner and has at its other end to a floor nozzle, which comes into contact with the surface to be cleaned.

Eine zweite Bauform bilden die sogenannten Handstaubsauger. Im Unterschied zu den Bodenstaubsaugern ist hier das Saugrohr starr mit dem Staubsaugergehäuse verbunden.
Auch hier sind Motor, Gebläse, Elektrik und Filtereinheit in dem Gehäuse untergebracht. Dieses weist zusätzlich auf der dem Saugrohranschluss gegenüberliegenden Seite einen
in Verlängerung des Saugrohrs angebrachten Stiel zur Handhabung auf.A second design form the so-called hand vacuum cleaner. In contrast to the cylinder vacuum cleaners here, the suction pipe is rigidly connected to the vacuum cleaner housing.
Again, engine, blower, electrical and filter unit are housed in the housing. This additionally has a side opposite the suction pipe connection
in extension of the suction tube attached handle for handling.

Mittels der Bodendüse wird der von Motor und Gebläse erzeugte Unterdruck auf die zu reinigenden Oberflächen angewendet. Bei diesen handelt es sich in der Regel entweder um harte, glatte Oberflächen von Bodenbelägen wie Parkett, PVC, Stein etc. oder um textile Oberflächen wie etwa Teppichböden, Möbelpolster, etc. Dabei stellt die unterschiedliche Beschaffenheit der Oberfläche teilweise gegensätzliche Anforderungen an die Funktionalität der Bodendüse. Bei strukturierten, luftdurchlässigen Oberflächen, wie beispielsweise Teppichen, ist in der Regel ein möglichst gutes Aufliegen der Bodendüse erwünscht, um eine tiefreichende und hohe Saugwirkung zu erzielen. Bei glatten Oberflächen hingegen reicht die unmittelbare Saugwirkung oft nicht aus, um festsitzende Schmutzpartikel von der Oberfläche zu lösen. Zudem besteht, je nach konstruktiver Ausführung, die Gefahr eines Festsaugens der Bodendüse und damit eventuell auch die einer Beschädigung des Bodenbelags durch Verkratzen.By means of the floor nozzle, the negative pressure generated by the motor and blower is applied to the surfaces to be cleaned. These are usually either hard, smooth surfaces of floor coverings such as parquet, PVC, stone, etc., or textile surfaces such as carpets, furniture upholstery, etc. Here, the different nature of the surface partially conflicting demands on the functionality of floor nozzle. In structured, air-permeable surfaces, such as carpets, the best possible resting of the floor nozzle is desirable in order to achieve a deep and high suction effect. For smooth surfaces, however, the direct suction is often insufficient to release stuck dirt particles from the surface. In addition, there is, depending on the structural design, the risk of a fixed suction of the floor nozzle and thus possibly also a damage to the floor covering by scratching.

Bodendüsen gemäß dem Stand der Technik sind deshalb in der Regel mit einer oder mehreren Borstenleisten ausgestattet. Diese sind so angeordnet, dass sich ihre Borsten von der Unterseite der Bodendüse, welche die zu reinigende Oberfläche kontaktiert, im Wesentlichen senkrecht zur Bodendüse erstrecken. Gewöhnlich sind diese Borsten mittels eines Fußschalters an der Bodendüse über eine Mechanik zwischen einer ausgefahrenen Stellung, in der die Borsten aus der Unterseite der Bodendüse hervorragen und so mit dem Bodenbelag in Kontakt treten können und gegebenenfalls einen Abstand zwischen Düse und Bodenbelag erzeugen sowie einer versenkten Stellung, in der sie im Wesentlichen funktionslos in die Bodendüse eingefahren sind, schaltbar.Floor nozzles according to the prior art are therefore usually equipped with one or more bristle strips. These are arranged so that their bristles extend from the bottom of the floor nozzle, which contacts the surface to be cleaned, substantially perpendicular to the floor nozzle. Usually, these bristles are by means of a footswitch on the floor nozzle via a mechanism between an extended position in which the bristles protrude from the bottom of the floor nozzle and so can come into contact with the floor covering and optionally create a distance between the nozzle and floor covering and a recessed position , in which they are essentially retracted into the floor nozzle without function, switchable.

Auf diese Weise wird im ausgefahrenen Zustand eine Bürstwirkung auf die zu reinigende Oberfläche ausgeübt und festsitzender Schmutz vom Bodenbelag abgelöst, der dann aufgesaugt werden kann. Gegebenenfalls wird auch mittels der Borstenleiste durch den vergrößerten Abstand zwischen Bodendüse und Oberfläche ein ausreichend großer seitlich in die Bodendüse eintretender Luftstrom ermöglicht und ein Festsaugen der Bodendüse beziehungsweise ein Verkratzen der Bodenoberfläche verhindert. Im eingefahrenen Zustand hingegen steht ein genügend großer Unterdruck für das Reinigen von textilen Oberflächen zur Verfügung. Je nach Ausgestaltung der Mechanik, die zum Ausfahren beziehungsweise Einfahren der Borstenleiste vorgesehen ist, ist der Vorgang des Umschaltens mit einem relativ hohen Kraftaufwand verbunden. In jedem Fall aber muss der Vorgang des Reinigens der Bodenoberfläche unterbrochen werden. Dies ist insbesondere bei einem häufigen Wechsel zwischen verschiedenen Oberflächen störend.In this way, a brushing action is exerted on the surface to be cleaned in the extended state and stuck dirt detached from the floor covering, which can then be absorbed. Optionally, by means of the bristle strip by the increased distance between the floor nozzle and the surface, a sufficiently large laterally entering the floor nozzle air flow allows and prevents seizing the floor nozzle or scratching the floor surface. In the retracted state, however, there is a sufficiently large negative pressure for the cleaning of textile surfaces available. Depending on the design of the mechanism, which is provided for extending or retracting the bristle strip, the process of switching is associated with a relatively high expenditure of force. In any case, the process of cleaning the soil surface must be interrupted. This is particularly troublesome with a frequent change between different surfaces.

Es ist eine Aufgabe der vorliegenden Erfindung, eine Staubsaugerbodendüse zur Verfügung zu stellen, die die oben genannten Nachteile des Standes der Technik zumindest teilweise beseitigt.It is an object of the present invention to provide a vacuum cleaner floor nozzle which at least partially overcomes the above-mentioned disadvantages of the prior art.

Diese Aufgabe wird mit den Merkmalen des unabhängigen Anspruchs gelöst.This object is achieved with the features of the independent claim.

Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen angegeben.Advantageous embodiments of the invention are indicated in the dependent claims.

Die Erfindung baut auf der gattungsgemäßen Staubsaugerbodendüse dadurch auf, dass die Schaltvorrichtung eine dritte Schaltposition aufweist, in der die Borstenleiste automatisch die erste oder die zweite Stellung einnehmen kann. In dieser dritten Schaltposition ist für die Borstenleiste weder die erste noch die zweite Stellung vorgeschrieben. Insbesondere wird die Borstenleiste weder in der ersten noch in der zweiten Stellung fixiert, sondern kann automatisch, je nach den momentanen Gegebenheiten des Reinigungsvorgangs mit der Staubsaugerbodendüse, die erste oder die zweite Stellung einnehmen und zwischen beiden Stellungen wechseln. Im Gegensatz zur ersten oder zweiten Schaltposition der Schaltvorrichtung, in der die erste Stellung beziehungsweise die zweite Stellung der Borstenleiste durch den Bediener der Staubsaugerbodendüse vorgegeben wird, erfolgt die Wahl der Stellung der Borstenleiste in der dritten Schaltposition ohne direktes Zutun des Bedieners. Folglich kann der Bediener über die erste oder zweite Schaltposition eine gezielte Bodenpflege durchführen, bei der die Borstenleiste in der. ersten beziehungsweise in der zweiten Stellung steht. Alternativ kann der Benutzer mittels der Staubsaugerbodendüse eine vereinfachte Bodenpflege durchführen, indem er die Schaltvorrichtung in die dritte Schaltposition bringt, in der die Borstenleiste ihre jeweilige Stellung automatisch wählt. Dies befreit den Benutzer davon, die jeweilige geeignete Stellung der Borstenleiste auszuwählen und insbesondere davon, den Reinigungsvorgang zum Betätigen der Schaltvorrichtung zu unterbrechen. Auf diese Weise gestaltet sich der Reinigungsvorgang mit der erfindungsgemäßen Staubsaugerbodendüse besonders einfach.The invention is based on the generic Staubsaugerbodendüse in that the switching device has a third switching position in which the bristle strip automatically take the first or the second position. In this third switching position, neither the first nor the second position is prescribed for the bristle strip. In particular, the bristle strip is fixed neither in the first nor in the second position, but can automatically, depending on the current conditions of the cleaning process with the Staubsaugerbodendüse, occupy the first or second position and change between two positions. In contrast to the first or second switching position of the switching device, in which the first position or the second position of the bristle strip is predetermined by the operator of the Staubsaugerbodendüse, the position of the bristle strip in the third switching position takes place without direct intervention of the operator. Consequently, the operator can perform a targeted floor care on the first or second switching position, in which the bristle strip in the. first or in the second position. Alternatively, the user can perform a simplified floor care by means of the vacuum cleaner floor nozzle by bringing the switching device in the third switching position in which the bristle strip automatically selects their respective position. This frees the user from selecting the respective suitable position of the bristle strip and in particular from interrupting the cleaning operation for actuating the switching device. In this way, the cleaning process with the Staubsaugerbodendüse invention particularly simple.

Bei einer vorteilhaften Ausführungsform ist vorgesehen, dass in der dritten Schaltposition der Schaltvorrichtung der Wechsel zwischen der ersten und der zweiten Stellung der Borstenleiste in Abhängigkeit von der zu reinigenden Oberfläche erfolgt. Da, wie bereits oben erläutert, die unterschiedlichen zu reinigenden Oberflächen unterschiedliche Anforderungen an die Staubsaugerbodendüse stellen, ist ein Wechsel der Oberflächenqualität zumeist der Grund dafür, die Stellung der Borstenleiste zu verändern. Bei der erfindungsgemäßen Staubsaugerbodendüse erfolgt in der dritten Schaltposition der Wechsel zwischen den beiden Stellungen automatisch, so dass diese Ausführungsform die Arbeit besonders erleichtert.In an advantageous embodiment, it is provided that in the third switching position of the switching device, the change takes place between the first and the second position of the bristle strip in dependence on the surface to be cleaned. Since, as already explained above, the different surfaces to be cleaned make different demands on the Staubsaugerbodendüse, changing the surface quality is usually the reason for changing the position of the bristle strip. In the vacuum cleaner floor nozzle according to the invention, the change between the two positions takes place automatically in the third switching position, so that this embodiment particularly facilitates the work.

Insbesondere kann bei einer bevorzugten Ausführungsform vorgesehen sein, dass in der dritten Schaltposition der Schaltvorrichtung der Wechsel zwischen der ersten und der zweiten Stellung der Borstenleiste in Abhängigkeit von der Bewegungsrichtung der Staubsaugerbodendüse erfolgt. Ein Wechsel der Stellung der Borstenleiste in Abhängigkeit von der Bewegungsrichtung ist insbesondere auf Teppichböden und anderen strukturierten Oberflächen von Vorteil. Beim Überfahren von Teppichen in Vorwärtsrichtung, d. h., in der Regel vom Benutzer weg, kann sich dabei die Borstenleiste in die erste Stellung bewegen, die beispielsweise der eingefahrenen Stellung entsprechen kann. Somit wird in der Vorwärtsrichtung der Staubsaugerbodendüse eine geringere Schubkraft benötigt. Bei einem Bewegen der Staubsaugerbodendüse in Rückwärtsrichtung, d. h. auf den Benutzer zu, kann sich dann die Staubsaugerbodendüse in die zweite Stellung begeben, die beispielsweise einer ausgefahrenen Stellung der Borstenleiste entsprechen kann, um so ein leichtes Durchkämmen des Teppichs zu bewirken. Dies kann zu einer größeren Staubaufnahme führen.In particular, in a preferred embodiment it can be provided that, in the third switching position of the switching device, the change takes place between the first and the second position of the bristle strip as a function of the direction of movement of the vacuum cleaner floor nozzle. A change in the position of the bristle strip depending on the direction of movement is particularly structured on carpets and other Surfaces of advantage. When driving over carpets in the forward direction, ie, usually away from the user, while the bristle strip can move to the first position, which may correspond to the retracted position, for example. Thus, a lower thrust force is needed in the forward direction of the vacuum cleaner floor nozzle. When the vacuum cleaner floor nozzle is moved in the backward direction, ie towards the user, the vacuum cleaner floor nozzle can then move to the second position, which may correspond, for example, to an extended position of the bristle strip so as to effect a slight combing through of the carpet. This can lead to a larger dust intake.

Des Weiteren sieht eine alternative Ausführungsform der Erfindung vor, dass die erste Stellung der Borstenleiste vornehmlich für Teppichböden und die zweite Stellung vornehmlich für Hartbodenbeläge ist. Dabei entspricht insbesondere die erste Stellung, wie bereits obenstehend erläutert, einer beispielsweise in das Gehäuse der Staubsaugerbodendüse versenkten Stellung. In der zweiten Stellung ragt die Borstenleiste aus dem Gehäuse der Staubsaugerbodendüse hervor und übt so eine Bürstwirkung auf den zu reinigenden Bodenbelag aus.Furthermore, an alternative embodiment of the invention provides that the first position of the bristle strip is primarily for carpets and the second position is primarily for hard floor coverings. In this case, in particular the first position, as already explained above, corresponds to a position which is lowered, for example, into the housing of the vacuum cleaner floor nozzle. In the second position, the bristle strip protrudes from the housing of the Staubsaugerbodendüse and thus exerts a brushing action on the floor to be cleaned.

Es kann ebenfalls vorteilhaft vorgesehen sein, dass die Schaltvorrichtung einen Rollenschalter umfasst. Mittels eines Rollenschalters kann die gewünschte Schaltposition der Schaltvorrichtung durch den Benutzer eingestellt werden. Alternativ sind auch andere Schaltmechanismen, wie etwa ein Schiebeschalter, ein Druckschalter, ein Umlegeschalter oder dergleichen einsetzbar.It can also be advantageously provided that the switching device comprises a roller switch. By means of a roller switch, the desired switching position of the switching device can be adjusted by the user. Alternatively, other switching mechanisms, such as a slide switch, a pressure switch, a transfer switch or the like can be used.

Bei einer ebenfalls vorteilhaften Ausführungsform kann vorgesehen sein, dass die Schaltbewegung der Schaltvorrichtung über eine Mitnehmer-Zapfen-Mechanik an die Borstenleiste vermittelt wird. Dabei kann beispielsweise ein Mitnehmer an der Schaltvorrichtung angebracht sein, der die durch die Betätigung der Schaltvorrichtung verursachte Bewegung an einen Zapfen und weiter an die Borstenleiste überträgt. Alternativ kann die Bewegung über ein Gestänge, über Zahnräder oder dergleichen erfolgen.In a likewise advantageous embodiment, it can be provided that the switching movement of the switching device is imparted to the bristle strip via a driver-pin mechanism. In this case, for example, a driver may be attached to the switching device, which transmits the movement caused by the actuation of the switching device to a pin and further to the bristle strip. Alternatively, the movement can take place via a linkage, via gears or the like.

Insbesondere kann vorteilhaft vorgesehen sein, dass der Mitnehmer im Wesentlichen V-förmig ausgestaltet ist. Dabei kann der V-förmige Mitnehmer insbesondere für die Realisierung des dreistufigen Mechanismus für die Steuerung der Borstenleiste ausgelegt werden. Ein Verschwenken des V-förmigen Mitnehmers um eine Achse, die senkrecht zu der von den beiden Schenkeln aufgespannten Ebene durch den Schnittpunkt der beiden Schenkel verläuft, erlaubt eine genaue Definition der Stellung des mitgenommenen Zapfens an den beiden Endpunkten der Drehbewegung. In einer Mittelstellung kann eine gewisse Beweglichkeit des Zapfens erreicht werden, die einen Wechsel der Borstenleiste zwischen den beiden Stellungen erlaubt.In particular, it can be advantageously provided that the driver is designed substantially V-shaped. In this case, the V-shaped carrier can be designed in particular for the realization of the three-stage mechanism for the control of the bristle strip. A pivoting of the V-shaped driver about an axis which is perpendicular to the plane spanned by the two legs through the intersection of the two legs, allows a precise definition of the position of the entrained pin at the two end points of the rotational movement. In a middle position, a certain mobility of the pin can be achieved, which allows a change of the bristle strip between the two positions.

Bei einer ebenfalls vorteilhaften Ausführungsform ist vorgesehen, dass in der dritten Schaltposition der Schaltvorrichtung die Borstenleiste von der ersten in die zweite Stellung mittels der Schwerkraft gelangt. Diese ermöglicht eine besonders einfache und tengünstige Ausführungsform der erfindungsgemäßen Staubsaugerbodendüse. Alternativ können auch Rückstellelemente wie Federn oder dergleichen vorgesehen sein.In a likewise advantageous embodiment, it is provided that in the third switching position of the switching device, the bristle strip passes from the first to the second position by means of gravity. This allows a particularly simple and tengünstige embodiment of the invention Staubsaugerbodendüse. Alternatively, reset elements such as springs or the like may be provided.

Der Erfindung liegt die Erkenntnis zugrunde, neben den zwei Schaltpositionen für eine Borstenleiste gemäß dem Stand der Technik eine dritte Schaltposition vorzusehen. In dieser Schaltposition kann sich die Borstenleiste frei zwischen ihren beiden Stellungen bewegen. Bei einer entsprechenden konstruktiven Ausgestaltung kann so eine Automatikfunktion für die Borstenleiste realisiert werden. Die vorliegende Erfindung kann bei allen gängigen Staubsaugertypen und Reinigungsanlagen eingesetzt werden.The invention is based on the knowledge to provide a third switching position in addition to the two switching positions for a bristle strip according to the prior art. In this switching position, the bristle strip can move freely between its two positions. With an appropriate structural design, an automatic function for the bristle strip can be realized in this way. The present invention can be used in all common vacuum cleaner types and cleaning systems.

Die Erfindung wird nun mit Bezug auf die begleitenden Zeichnungen anhand einer besonders bevorzugten Ausführungsform beispielhaft erläutert.The invention will now be described by way of example with reference to the accompanying drawings with reference to a particularly preferred embodiment.

Dabei zeigen:

Figur 1
eine perspektivische Darstellung der erfindungsgemäßen Staubsaugerbodendüse;
Figuren 2a und 2b
perspektivische Darstellungen einer erfindungsgemäßen Rollenschalter-Borstenleiste-Anordnung;
Figuren 3a-3d
Schnittansichten einer erfindungsgemäßen Staubsaugerbodendüse; und
Figur 4
eine perspektivische Ansicht der erfindungsgemäßen Staubsaugerbodendüse.
Showing:
FIG. 1
a perspective view of the invention Staubsaugerbodendüse;
FIGS. 2a and 2b
perspective views of a roller switch bristle strip arrangement according to the invention;
Figures 3a-3d
Sectional views of a Staubsaugerbodendüse invention; and
FIG. 4
a perspective view of the invention Staubsaugerbodendüse.

Figur 1 zeigt eine perspektivische Darstellung einer erfindungsgemäßen Staubsaugerbodendüse 10. Diese weist ein Gehäuse 12 auf, das sich in eine Oberschale 14 und ein Gehäuseunterteil 16 gliedert. Des Weiteren ist ein Saugrohranschluss 18 sowie zwei in der Oberschale 14 eingelassene Rollenschalter 20 vorgesehen. Die Staubsaugerbodendüse 10 umfasst weiterhin eine Borstenleiste 22, die in Figur 1 nicht zu sehen ist. Das Zusammenwirken der Rollenschalter 20 und der Borstenleiste 22 wird mit Bezug auf die Figuren 2a und 2b erläutert. FIG. 1 shows a perspective view of a Staubsaugerbodendüse 10 according to the invention. This has a housing 12, which is divided into an upper shell 14 and a lower housing part 16. Furthermore, a suction pipe connection 18 as well as two roller switches 20 inserted in the upper shell 14 are provided. The Staubsaugerbodendüse 10 further comprises a bristle strip 22 which in FIG. 1 not visible. The interaction of the roller switch 20 and the bristle strip 22 will be described with reference to FIGS FIGS. 2a and 2 B explained.

Die Figuren 2a und 2b zeigen eine perspektivische Darstellung einer Rollenschalter-Borstenleiste-Anordnung in zwei verschiedenen Stellungen der Borstenleiste 22. Figur 2a zeigt dabei die Borstenleiste in der zweiten Stellung, also der Stellung, in der die Borstenleiste ausgefahren ist. Figur 2b zeigt hingegen die Borstenleiste 22 in ihrer eingefahrenen Stellung. Beide Figuren 2a und 2b zeigen das Rollenschalterpaar 20, das um eine gemeinsame Achse A drehbar gelagert ist. Die Rollenschalter 20 weisen jeweils ein Paar Mitnehmer 24, 26 auf. Die Mitnehmer 24, 26 sind V-förmig angeordnet. Der gedachte Schnittpunkt beziehungsweise die Schnittgerade der beiden Mitnehmer 24, 26 liegt auf einer Drehachse A, um die die Rollenschalter 20 und die Mitnehmer 24, 26 drehbar gelagert sind. In die Zwischenräume, die sich zwischen den Mitnehmern 24, 26 befinden, greifen Zapfen 28, die an einem drehbar um eine Achse B gelagerten Trägerelement 30 angeordnet sind. An dem Trägerelement 30 ist zusätzlich die Borstenleiste 22 befestigt.The FIGS. 2a and 2 B show a perspective view of a roller switch bristle strip arrangement in two different positions of the bristle strip 22nd FIG. 2a shows the bristle strip in the second position, ie the position in which the bristle strip is extended. FIG. 2b shows, however, the bristle strip 22 in its retracted position. Both FIGS. 2a and 2 B show the roller switch pair 20 which is rotatably mounted about a common axis A. The roller switches 20 each have a pair of drivers 24, 26. The drivers 24, 26 are arranged in a V-shape. The imaginary intersection or the cutting line of the two drivers 24, 26 lies on a rotation axis A about which the roller switches 20 and the drivers 24, 26 are rotatably mounted. In the intermediate spaces, which are located between the drivers 24, 26, engage pin 28, which are arranged on a rotatably mounted about an axis B support member 30. On the support member 30, the bristle strip 22 is additionally attached.

In der in Figur 2a dargestellten Stellung berühren die Zapfen 28 die Mitnehmer 24. Bei der in Figur 2a dargestellten Stellung der Rollenschalter 20 wird eine Drehung des Trägerelements 30 derart, dass sich dessen Zapfen 28 in Richtung der Mitnehmer 24, in der vorliegenden Abbildung also gegen den Uhrzeigersinn, durch die Zapfen 24 der Rollenschalter 20 verhindert. Zwar sind, wie bereits oben erwähnt, die Rollenschalter 20 drehbar um ihre Achse A gelagert, werden aber in der gewünschten Position beispielsweise durch einen Zapfen der Staubsaugerbodendüse gehalten, der in Vertiefungen der Rollenschalter 20 eingreift. Diese und andere Möglichkeiten der Verrastung sind nicht dargestellt. Beispielsweise ist es möglich, dass ein Zapfen am Schalter sitzt und in Vertiefungen des Gehäuses der Staubsaugerbodendüse 10 eingreift. Ebenso kann die Verrastung über eine Scheibe mit Rastnoten oder dergleichen erfolgen. Auf diese Weise blockieren die Rollenschalter 20 über ihre Mitnehmer 24 eine Drehung des Trägerelementes 30 gegen den Uhrzeigersinn um die Achse B und halten so die Borstenleiste 22 in einer Stellung, in der diese aus dem Gehäuse 12 der Staubsaugerbodendüse 10 hervorragt. Eine Bewegung der Borstenleiste 22 beziehungsweise des Trägerelementes 30 im Uhrzeigersinn wird durch weitere, nicht dargestellte Anschlagelemente verhindert. Werden nun die Rollenschalter 20 betätigt, d. h. im Uhrzeigersinn um ihre Achse A gedreht, wird die Figur 2a dargestellte Rollenschalter-Trägerelement-Borstenleisten-Anordnung in die in Figur 2b dargestellte Konfiguration als Endstellung überführt. Bei dieser Bewegung nehmen die Mitnehmer 26 die Zapfen 28 des Trägerelementes 30 mit und bewirken so eine Drehung des Trägerelementes 30 mitsamt Borstenleiste 22 gegen den Uhrzeigersinn um die Achse B. Nun verhindern die Mitnehmer 28, dass sich das Trägerelement 30 im Uhrzeigersinn bewegt und bringen so die Borstenleiste 22 in ihre im Gehäuse 12 der Staubsaugerbodendüse 10 versenkte Stellung.In the in FIG. 2a shown position, the pins 28, the drivers touch 24. In the in FIG. 2a illustrated position of the roller switch 20 is a rotation of the support member 30 such that its pin 28 in the direction of the driver 24, in the present illustration thus counterclockwise, prevented by the pin 24 of the roller switch 20. Although, as already mentioned above, the roller switch 20 is rotatably supported about its axis A, but are held in the desired position, for example by a pin of the Staubsaugerbodendüse which engages in recesses of the roller switch 20. These and other possibilities of locking are not shown. For example, it is possible that a pin sits on the switch and engages in recesses of the housing of the Staubsaugerbodendüse 10. Likewise, the latching over a Disk with Rastnoten or the like done. In this way, the roller switch 20 block via their driver 24, a rotation of the support member 30 in the counterclockwise direction about the axis B and thus hold the bristle strip 22 in a position in which this protrudes from the housing 12 of the vacuum cleaner floor nozzle 10. A movement of the bristle strip 22 and the support member 30 in a clockwise direction is prevented by further stop elements, not shown. Now, the roller switch 20 is actuated, that is rotated clockwise about its axis A, the FIG. 2a shown roller switch carrier element bristle strip arrangement in the in FIG. 2b shown converted configuration as the end position. During this movement take the driver 26, the pins 28 of the support member 30 and thus cause a rotation of the support member 30 together with bristle strip 22 in the counterclockwise direction about the axis B. Now prevent the driver 28 that the support member 30 moves in a clockwise direction and bring the bristle strip 22 in its sunk in the housing 12 of the Staubsaugerbodendüse 10 position.

Die zu den Figuren 2a und 2b dargelegten Stellungen der Borstenleiste 22 entsprechen explizit wählbaren Stellungen, die für Hartböden beziehungsweise Teppichböden geeignet sind. Erfindungsgemäß ist jedoch eine weitere Schaltposition der Rollenschalter 20 vorgesehen, in der die Borstenleiste 22 beziehungsweise das Trägerelement 30 eine Automatikfunktion erfüllen. Diese wird im Zusammenhang mit den Figuren 3a-3d beschrieben.The to the FIGS. 2a and 2 B Exposed positions of the bristle strip 22 correspond explicitly selectable positions that are suitable for hard floors or carpets. According to the invention, however, a further switching position of the roller switch 20 is provided, in which the bristle strip 22 or the carrier element 30 fulfill an automatic function. This will be related to the Figures 3a-3d described.

Die Figuren 3a-3d zeigen Schnittansichten einer erfindungsgemäßen Staubsaugerbodendüse 10. Figur 3a zeigt dabei die Rollenschalter-Trägerelement-Mechanik in der ersten Stellung, in der die Borstenleiste 22 in das Gehäuse 12 der Staubsaugerbodendüse 10 versenkt ist. In der Schnittansicht sind die Oberschale 14 sowie ein Gehäuseunterteil 16 abgebildet. In der in Figur 3a abgebildeten Stellung kontaktieren die Mitnehmer 26 die Zapfen 28 des Trägerelements 30 und verhindern so ein Absinken der Borstenleiste 22, die an dem Trägerelement 30 angebracht ist.The Figures 3a-3d show sectional views of a Staubsaugerbodendüse 10 according to the invention. FIG. 3a shows the roller switch-carrier element mechanism in the first position in which the bristle strip 22 is recessed into the housing 12 of the vacuum cleaner floor nozzle 10. In the sectional view, the upper shell 14 and a lower housing part 16 are shown. In the in FIG. 3a illustrated position contact the driver 26, the pin 28 of the support member 30 and thus prevent a decrease in the bristle strip 22 which is attached to the support member 30.

In Figur 3b ist die Staubsaugerbodendüse 10 der Figur 3a in einem Zustand gezeigt, in dem die Rollenschalter-Trägerelement-Mechanik die Borstenleiste 22 in eine Stellung gebracht hat, in der die Borstenleiste 22 mit der zu reinigenden Oberfläche in Kontakt treten kann. Dabei kontaktieren, wie bereits zu Figur 2a erläutert, die Mitnehmer 24 die Zapfen 28 des Trägerelements 30 und verhindern so eine Aufwärtsbewegung der an dem Trägerelement 30 befestigten Borstenleiste 22 in Richtung Gehäuseoberschale 14.In FIG. 3b is the Staubsaugerbodendüse 10 of FIG. 3a shown in a state in which the roller switch-carrier element mechanism has brought the bristle strip 22 in a position in which the bristle strip 22 can come into contact with the surface to be cleaned. In doing so, contact as already FIG. 2a explained, the driver 24 the Pin 28 of the support member 30 and thus prevent upward movement of the attached to the support member 30 bristle strip 22 in the direction of the housing upper shell 14th

Die in den Figuren 3a und 3b beschriebenen Schaltpositionen der Rollenschalter 20 beziehungsweise der Borstenleiste 22 entsprechen den äußeren Endpunkten der Drehbewegungsfreiheit der Rollenschalter 20. Erfindungsgemäß ist eine weitere dritte Schaltposition für den Rollenschalter 20 vorgesehen, in der die Borstenleiste 22 eine Automatikfunktion ausübt. In Figur 3c befindet sich der Rollenschalter 20 in dieser Automatikposition. In diese Schaltposition kann sich der Zapfen 28 des Trägerelements 30 frei zwischen den Mitnehmern 24, 26 der Rollenschalter 20 bewegen. Somit besteht für das Trägerelement 30 die Möglichkeit, sich je nach Bodenbeschaffenheit um die Achse B zu drehen. In Figur 3c ist der Fall dargestellt, in dem sich die Staubsaugerbodendüse 10 beispielsweise auf Hartboden bewegt. Dies ermöglicht es dem Trägerelement 30 beziehungsweise der Borstenleiste 22, in Richtung des Bodenbelags abzusinken und mit diesem in Kontakt zu treten. Auf diese Weise kann die Borstenleiste 22 bei Vorwärts- und bei Rückwärtsbewegungen eine Bürst- beziehungsweise Kehrfunktion ausüben. Gleichzeitig ist in Figur 3c der Fall dargestellt, dass sich die Staubsaugerbodendüse 10 auf einem Teppichboden in einer Rückwärtsbewegung befindet, das heißt, sie bewegt sich in der Figur von links nach rechts, also auf den Benutzer zu. Dabei werden aufgrund der leichten Verkippung der Borstenleiste 22 die Borsten der Borstenleiste 22 in den Teppich gedrängt. Die Borsten üben so auf den Teppich eine Kämmwirkung aus, welche den Reinigungsvorgang unterstützt.The in the FIGS. 3a and 3b described switching positions of the roller switch 20 and the bristle strip 22 correspond to the outer end points of the rotational freedom of the roller switch 20. According to the invention, a further third switching position for the roller switch 20 is provided in which the bristle strip 22 performs an automatic function. In Figure 3c is the roller switch 20 in this automatic position. In this switching position, the pin 28 of the support member 30 can move freely between the drivers 24, 26 of the roller switch 20. Thus, it is possible for the support member 30, depending on the nature of the ground to rotate about the axis B. In Figure 3c the case is shown in which the Staubsaugerbodendüse 10 moves, for example, hard floor. This makes it possible for the carrier element 30 or the bristle strip 22 to sink in the direction of the floor covering and to come into contact therewith. In this way, the bristle strip 22 in forward and reverse movements perform a brushing or sweeping. At the same time is in Figure 3c the case illustrated that the Staubsaugerbodendüse 10 is on a carpet in a backward movement, that is, it moves in the figure from left to right, ie towards the user. In this case, due to the slight tilting of the bristle strip 22, the bristles of the bristle strip 22 are forced into the carpet. The bristles exert on the carpet a combing action, which supports the cleaning process.

In Figur 3d ist die Rollenschalter-Trägerelement-Mechanik ebenfalls in der durch die Schaltposition des s 20 vorgegebenen Automatikfunktion dargestellt. Die Staubsaugerbodendüse befindet sich hier auf Teppichboden und führt dabei eine Vorwärtsbewegung aus, das heißt, sie bewegt sich in der Figur von rechts nach links, also vom Benutzer weg.
Dabei wird die Borstenleiste 22 durch das Einsinken der Staubsaugerbodendüse 10 in den Teppich nach oben in Richtung Oberschale 14 gedrängt. Diese Bewegung endet, wenn der Zapfen 28 des Trägerelements 30 an den Mitnehmer 24 der Rollenschalter 20 stößt. Auf diese Weise leistet die Borstenleiste 22 keinen oder nur einen geringen Widerstand bei einer Vorwärtsbewegung der Staubsaugerbodendüse 10.In 3d figure the roller switch-carrier element mechanism is also shown in the predetermined by the switching position of the s 20 automatic function. The Staubsaugerbodendüse is here on carpet and thereby performs a forward movement, that is, it moves in the figure from right to left, ie away from the user.
In this case, the bristle strip 22 is urged by the sinking of the vacuum cleaner floor nozzle 10 into the carpet in the direction of the upper shell 14. This movement ends when the pin 28 of the support member 30 abuts the driver 24 of the roller switch 20. In this way, the bristle strip 22 makes no or only a slight resistance during a forward movement of the Staubsaugerbodendüse 10th

Figur 4 zeigt eine perspektivische Ansicht der erfindungsgemäßen Staubsaugerbodendüse 10. In dieser Darstellung sind insbesondere die Borstenleiste 22, das Trägerelement 30 sowie das Zusammenwirken mit dem Mitnehmer 26 des Rollenschalters 20 gut zu erkennen. FIG. 4 shows a perspective view of the invention Staubsaugerbodendüse 10. In this illustration, in particular the bristle strip 22, the support member 30 and the interaction with the driver 26 of the roller switch 20 are clearly visible.

Die in der vorstehenden Beschreibung, in den Zeichnungen sowie den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung wesentlich sein.The features of the invention disclosed in the foregoing description, in the drawings and in the claims may be essential both individually and in any combination for the realization of the invention.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
StaubsaugerbodendüseStaubsaugerbodendüse
1212
Gehäusecasing
1414
OberschaleUpper shell
1616
GehäuseunterteilHousing bottom
1818
Saugrohranschlusssuction pipe
2020
Rollenschalterrole switch
2222
Borstenleistebristle strip
24,2624.26
Mitnehmertakeaway
2828
Zapfenspigot
3030
Trägerelementsupport element
AA
Drehachse der RollenschalterRotary axis of the roller switch
BB
Drehachse des TrägerelementsAxis of rotation of the carrier element

Claims (8)

  1. Vacuum cleaner floor nozzle (10) with a switching device and a bristle strip (22), wherein the bristle strip (22) in a first switch position of the switching device adopts a first setting and in a second switch position of the switching device adopts a second setting, characterised in that the switching device has a third switch position in which the bristle strip (22) can automatically adopt the first or the second setting.
  2. Vacuum cleaner floor nozzle (10) according to claim 1, characterised in that in the third switch position of the switching device the alternation between the first and the second setting of the bristle strip (22) takes place in dependence on the surface to be cleaned.
  3. Vacuum cleaner floor nozzle (10) according to claim 1 or 2, characterised in that in the third switch position of the switching device the alternation between the first and the second setting of the bristle strip (22) takes place in dependence on the movement direction of the vacuum cleaner floor nozzle (10).
  4. Vacuum cleaner floor nozzle (10) according to any one of the preceding claims, characterised in that the first setting of the bristle strip (22) is predominantly for carpeted floors and the second setting predominantly for hard floor coverings.
  5. Vacuum cleaner floor nozzle (10) according to any one of the preceding claims, characterised in that the switching device comprises a roller switch (20).
  6. Vacuum cleaner floor nozzle (10) according to any one of the preceding claims, characterised in that the switching movement of the switching device is communicated to the bristle strip (22) by way of an entrainer-and-pin mechanism (24, 26, 28).
  7. Vacuum cleaner floor nozzle (10) according to claim 6, characterised in that the entrainer (24, 26) is formed to be substantially V-shaped.
  8. Vacuum cleaner floor nozzle (10) according to any one of the preceding claims, characterised in that in the third switch position of the switching device the bristle strip (22) goes from the first to the second setting by means of gravitational force.
EP06778306A 2005-09-02 2006-08-21 Floor nozzle for a vaccum cleaner comprising a controlable brush Not-in-force EP1924185B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005041809A DE102005041809A1 (en) 2005-09-02 2005-09-02 Vacuum cleaner floor nozzle with switchable bristle strip
PCT/EP2006/065518 WO2007025895A1 (en) 2005-09-02 2006-08-21 Floor nozzle for a vaccum cleaner comprising a controlable brush

Publications (2)

Publication Number Publication Date
EP1924185A1 EP1924185A1 (en) 2008-05-28
EP1924185B1 true EP1924185B1 (en) 2010-01-27

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ID=37084603

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EP06778306A Not-in-force EP1924185B1 (en) 2005-09-02 2006-08-21 Floor nozzle for a vaccum cleaner comprising a controlable brush

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Country Link
EP (1) EP1924185B1 (en)
CN (1) CN101252867B (en)
AT (1) ATE456322T1 (en)
DE (2) DE102005041809A1 (en)
ES (1) ES2336366T3 (en)
RU (1) RU2424759C2 (en)
WO (1) WO2007025895A1 (en)

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SE442815B (en) * 1981-11-03 1986-02-03 Electrolux Ab vacuum cleaner nozzle
DK164195C (en) * 1989-05-25 1992-10-26 Georg Vilhelm Petersen VACUUM CLEANER NOZZLE
FR2715553B1 (en) * 1994-02-03 1996-04-12 Olivier Ets Georges Retractable brush suction nozzle controlled by at least one pedal provided with a support arm.
CN2283455Y (en) * 1997-01-09 1998-06-10 周万龙 Dust suction nozzle
KR100517930B1 (en) * 2003-05-21 2005-09-30 엘지전자 주식회사 Brush height control apparatus of vacuum cleaner

Also Published As

Publication number Publication date
ATE456322T1 (en) 2010-02-15
CN101252867B (en) 2010-09-29
DE102005041809A1 (en) 2007-03-08
WO2007025895A1 (en) 2007-03-08
CN101252867A (en) 2008-08-27
EP1924185A1 (en) 2008-05-28
RU2424759C2 (en) 2011-07-27
ES2336366T3 (en) 2010-04-12
DE502006006051D1 (en) 2010-03-18
RU2008106839A (en) 2009-10-10

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