EP3586709A1 - Buse de sol pour aspirateur et aspirateur - Google Patents

Buse de sol pour aspirateur et aspirateur Download PDF

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Publication number
EP3586709A1
EP3586709A1 EP19178309.1A EP19178309A EP3586709A1 EP 3586709 A1 EP3586709 A1 EP 3586709A1 EP 19178309 A EP19178309 A EP 19178309A EP 3586709 A1 EP3586709 A1 EP 3586709A1
Authority
EP
European Patent Office
Prior art keywords
suction mouth
floor nozzle
floor
machining direction
underside
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.)
Granted
Application number
EP19178309.1A
Other languages
German (de)
English (en)
Other versions
EP3586709B1 (fr
Inventor
Michel Herche
Markus Penner
Jens Schneider
Martin Behrenswerth
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3586709A1 publication Critical patent/EP3586709A1/fr
Application granted granted Critical
Publication of EP3586709B1 publication Critical patent/EP3586709B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • the invention relates to a floor nozzle for a vacuum cleaner for cleaning and maintenance of floor surfaces, with a housing which has a bottom face facing the floor surface in the processing position, on which an elongated suction mouth extending transversely to the processing direction is arranged, the suction mouth being limited by an associated suction mouth edge , wherein the suction mouth edge has an air channel labyrinth, which is formed from a plurality of sealing elements projecting from the underside in the direction of the bottom surface and forming the air channel labyrinth.
  • the invention relates to a vacuum cleaner with such a floor nozzle.
  • Vacuum cleaners are used in private households as well as in trade to clean surfaces such as textile floor coverings and smooth floors.
  • a floor nozzle of the vacuum cleaner is continuously pushed back and forth on a floor surface to collect dust.
  • the dust picking effectiveness of the vacuum cleaner strongly depends on the design of the floor nozzle.
  • the invention therefore presents the problem of specifying an improved floor nozzle and an improved vacuum cleaner.
  • a simple to produce and robust floor nozzle is to be specified, which has a high flexibility for different floor surfaces to be cleaned and offers optimum cleaning results on smooth floors as well as on long-pile carpets without switching, in particular the intervention of the user.
  • the sealing elements are designed as diamond-shaped solid bodies, a suction mouth edge that is easy to manufacture can be created and has optimal cleaning results on different floor surfaces without switching over the Floor nozzle reached.
  • the formation of diamond-shaped solids on the edge of the suction mouth enables effective combing of long-pile carpet fibers without significantly increasing the pushing forces.
  • the formation of the diamond-shaped solid forms an air channel labyrinth, which also improves the detection of coarse dirt, especially on carpets and smooth floors. This means that a universal nozzle can be created that optimally cleans different floor surfaces without switching. This also makes the floor nozzle simple and unaffected by damage, since in particular the mechanism for switching the floor nozzle for cleaning different floor surfaces is particularly complex and prone to failure.
  • the sealing elements are designed as oval-shaped solid bodies.
  • the floor surface can be covered by a textile floor covering such as a carpet or carpet or by a hard floor such as. B. a wooden parquet, laminate or a PVC flooring.
  • the vacuum cleaner can have a blower for generating a vacuum, through which the floor nozzle guided over a floor surface to be cleaned picks up dust and dirt from the floor surface.
  • the floor nozzle is moved back and forth in the machining direction by the user by means of pushing and pulling movements.
  • the floor nozzle slides over the floor surface to be cleaned.
  • the underside of the floor nozzle slides over the floor surface, while the underside of hard floors hovers over these floor surfaces, possibly by rollers and / or spacer bristles.
  • the user can, for example, handle a handle of the vacuum cleaner connected to the suction pipe.
  • the suction mouth is elongated and runs essentially transversely to the processing direction.
  • elongated means that the preferably substantially rectangular suction mouth has a greater length transverse to the machining direction than the width in the machining direction.
  • the floor nozzle can also be arranged on a self-propelled vacuum cleaner, in particular a vacuum robot, so that the processing direction of the floor nozzle corresponds to the direction of travel of the self-propelled vacuum cleaner.
  • a vacuum cleaner housing of the vacuum cleaner can have a dust receiving chamber in which the dust picked up via the floor nozzle can be collected, for example, in a dust bag.
  • the solid bodies are arranged transversely to the machining direction along the suction mouth on the underside, and adjacent solid bodies are arranged offset in relation to the suction mouth in the machining direction.
  • the arrangement of the solids along the suction mouth ensures effective processing and cleaning of the floor surface over the entire width of the suction mouth.
  • the staggered arrangement in the machining direction of the adjacent solid bodies ensures a simple yet effective air channel labyrinth, through which coarse dirt, in particular carpet and smooth floors, is reliably absorbed via the air channels formed therein.
  • the air channel labyrinth formed at the edge of the suction mouth ensures an increase in the flow velocity in the area of the air channels formed in the air channel labyrinth through the otherwise provided sealing of the suction mouth from the floor surface by means of the sealing elements.
  • the increase in the flow velocity of the air flow generated by the blower of the vacuum cleaner heavy coarse dirt in particular can be easily absorbed.
  • Coarse dirt particles can easily be picked up via the suction mouth via the air channel-forming gaps between the sealing elements, without being pushed forward or backward on the smooth floor by the suction mouth edge formed on the suction mouth in front of or behind the floor nozzle.
  • a thread lifter is arranged on at least one solid body. With the arrangement of a thread lifter on the solid, the cleaning effect on carpets can be further improved.
  • the thread lifter is preferably integrated on the underside of the diamond-shaped shaped solid.
  • the thread lifter can be formed by an inclined velor or a soft component that is molded onto the solid body in a two-component process. Different thread lifters can also be arranged on the solid bodies along the suction mouth.
  • a preferred embodiment of the invention provides that the diamond shape of the solid body is oriented to the machining direction such that a diamond length between two opposite corners is oriented transversely to the machining direction and a diamond width is aligned between two opposite corners in the machining direction.
  • a carpet can be combed effectively without the pushing forces being increased excessively by the formation of the solid at the edge of the suction mouth.
  • the carpet fibers are made by the Diamond shape bent in the machining direction and pushed to the side along the diamonds transverse to the machining direction. This enables effective cleaning of the spaces between the carpet fibers treated in this way, which leads to thorough deep cleaning, even with long-pile carpets.
  • this orientation of the solid-forming diamonds can be guided across the processing direction through the air channels formed in the air duct labyrinth past the diamonds in the processing direction to the suction mouth, so that an effective absorption of coarse dirt, such as sand or rice grains, for example, is ensured.
  • a further development of the invention is particularly advantageous in that the diamond length of the solid bodies transverse to the machining direction is greater than the diamond width of the solid bodies in the machining direction.
  • a further advantage of the embodiment of the invention is that the diamond length transverse to the machining direction is 15 mm to 50 mm. Rhombuses with this diamond length can be arranged particularly well to form the air channel labyrinth along the suction mouth at the edge of the suction mouth.
  • An advantageous embodiment of the invention provides that the diamond width in the machining direction is 10 to 20 mm. With such a diamond width, optimal cleaning of carpets can be ensured without unreasonably increasing the pushing or pulling forces which the user has to exert on the carpets when pushing and pulling the floor nozzle forward.
  • the height of the solid body relative to the underside of the floor nozzle is 2 to 8 mm.
  • a preferred embodiment of the invention provides that a plurality of support elements set a defined distance between the underside and the bottom surface, the distance between the underside of the solid bodies and the bottom surface from the underside of the support elements being at least 1 mm.
  • the support elements can be by rollers, balls or skids be educated.
  • the floor nozzle preferably has corresponding support elements at four locations on the underside. With a distance of at least 1 mm, a sufficient distance between the underside of the solid body and the bottom surface can be set by the support elements, in particular on smooth floors. With this distance, damage to smooth floors by the solid can be prevented, since contact of the solid with the smooth floor by the support elements is reliably prevented over the minimum distance of 1 mm.
  • An advantageous embodiment of the invention is that a suction mouth edge assigned to the suction mouth is arranged on the underside in the machining direction before or in the machining direction behind the suction mouth.
  • the arrangement of a suction mouth edge, with an air channel labyrinth formed from solid bodies, is particularly advantageous when the floor nozzle is moved forward in the machining direction if it is located in front of the suction mouth.
  • Such a suction mouth edge effectively sweeps carpet fibers swept through the suction mouth edge without the user having to use excessive force during the feed movement.
  • the suction mouth following in the advancing movement of the lip enables the effective absorption of dirt and grime from the carpet fibers bent up by the edge of the suction mouth.
  • the arrangement of a corresponding suction mouth edge behind the suction mouth enables a corresponding advantageous treatment of the floor surface during the backward movement of the floor nozzle in the machining direction.
  • the floor nozzle has at least two suction mouth edges assigned to the suction mouth, at least one suction mouth edge on the underside in the processing direction and at least one suction mouth edge on the underside in the processing direction behind the suction mouth.
  • the arrangement of two suction mouth edges in front of and behind a suction mouth in the processing direction enables the carpet fibers to be bent up optimally both in the forward movement and in the backward movement of the floor nozzle in the processing direction. Bending up the carpet fibers through the edge of the suction mouth and sucking up dirt and grime through the suction mouth that follows in the respective movement can ensure optimal cleaning of the floor surface without the user having to use much more force.
  • the suction mouth extends in an undulating manner between the diamond-shaped solid bodies of the two suction mouth edges transversely to the machining direction.
  • the wavy shape of the suction mouth allows it to be brought particularly close to the air channel labyrinth formed by the rhombuses. As a result, loosened or transported away via the air channel labyrinth Dirt particles are easily and quickly absorbed through the suction mouth, which improves the cleaning of the floor surfaces.
  • the invention furthermore relates to a floor nozzle for a vacuum cleaner for cleaning and maintaining floor surfaces, with a housing which has a bottom side facing the floor surface in the processing position and on which an elongated suction mouth running transversely to the processing direction is arranged, the suction mouth being assigned by an associated Suction mouth edge is limited, the suction mouth edge having an air channel labyrinth which is formed from a plurality of sealing elements which form the air channel labyrinth and protrude from the underside in the direction of the bottom surface, the sealing elements being designed as sealing lip sections which run transversely to the machining direction and are offset in the machining direction.
  • a suction mouth edge that is easy to manufacture can be created, which enables optimum cleaning results on different floor surfaces without switching over the floor nozzle.
  • the course of the sealing lip sections transversely to the processing direction on the one hand, enables effective combing even of long-pile carpet fibers.
  • the offset arrangement in the machining direction forms an air channel labyrinth, which also improves the detection of coarse dirt on smooth floors. This means that a universal nozzle can be created that optimally cleans different floor surfaces without switching. This makes the floor nozzle easier and less susceptible to damage, since in particular the mechanism for switching the floor nozzle for cleaning different floor surfaces is particularly complex and prone to failure.
  • this floor nozzle is particularly advantageous in that an elongated thread lifter, which runs transversely to the machining direction, is arranged centrally in the suction mouth in the machining direction.
  • an elongated thread lifter that runs transversely to the processing direction and is arranged in the processing direction in the middle of the suction mouth, effective cleaning of carpets when advancing and retracting the floor nozzle can be achieved.
  • this can raise fibers of the carpet during both the forward movement and a backward movement of the floor nozzle and thus enable effective dust absorption from the fiber interspaces through the subsequent suction mouth section over the entire width of the suction mouth.
  • An advantageous embodiment of this floor nozzle is that a corresponding suction mouth edge assigned to the suction mouth is arranged on the underside in the processing direction before or in the processing direction behind the suction mouth.
  • the arrangement of a Suction mouth edge with staggered sealing lip sections is particularly advantageous when the floor nozzle is moved forward in the machining direction if it is in front of the suction mouth.
  • Such a suction mouth edge effectively sweeps carpet fibers swept through the suction mouth edge without the user having to use excessive force during the pulling and pushing movements.
  • the sealing lip sections enable optimal cleaning of the floor surface even on changing substrates.
  • the suction mouth following the sealing lip sections in the advancing movement enables the effective absorption of dirt and grime from the carpet fibers bent up by the sealing lip sections.
  • the arrangement of a corresponding suction mouth edge behind the suction mouth enables a corresponding advantageous treatment of the floor surface during the backward movement of the floor nozzle in the machining direction.
  • the floor nozzle has at least two corresponding suction mouth edges associated with the suction mouth, at least one suction mouth edge being arranged on the underside in the processing direction and at least one suction mouth edge on the underside in the processing direction behind the suction mouth.
  • the arrangement of two suction mouth edges, correspondingly provided with sealing lip sections, in front of and behind a suction mouth in the machining direction enables the carpet fibers to be bent up optimally both in the forward movement and in the backward movement of the floor nozzle in the machining direction. Bending up the carpet fibers through the sealing lip sections of the suction mouth edge and sucking up dirt and grime through the suction mouth following in the respective movement can ensure optimal cleaning of the floor surface without the user having to use much more force.
  • An advantageous embodiment of the invention provides that the suction mouth width tapers on both sides in the machining direction along the elongated extension transverse to the machining direction.
  • a constant flow rate between the sealing elements of the air channel labyrinth arranged along the suction mouth can be achieved by the tapering of the suction mouth on both sides along the elongated extension transverse to the machining direction.
  • the invention further relates to a vacuum cleaner for cleaning and maintaining floor surfaces with a blower for generating a negative pressure for taking up dirt by means of an air stream and a separating system for cleaning the taken up air from dirt, the one already described in more detail below Vacuum cleaner has a floor nozzle according to the previous and subsequent description.
  • a floor nozzle according to the invention is shown purely schematically.
  • the representation according to Figure 1 shows a vacuum cleaner 2 according to the invention with a floor nozzle 1 connected to the vacuum cleaner 2.
  • the vacuum cleaner 1 shown in the exemplary embodiment is a so-called canister vacuum cleaner.
  • the floor nozzle 1 is connected here via its connecting piece 19 to a suction pipe 14 which is preferably designed to be telescopic.
  • the floor nozzle 1 in this exemplary embodiment shown has its own housing 3 which is independent of the vacuum cleaner housing 21, 21a.
  • the telescopic suction pipe 14 merges into a handle 15, to which a suction hose 16 is connected, which is connected to the vacuum cleaner housing 21, 21a.
  • a blower of the vacuum cleaner 2 (not shown) integrated in the vacuum cleaner housing 21, 21a is operated with electricity via an electrical connection cable 22 in order to generate a negative pressure.
  • dirt and grime is removed from the floor surface to be cleaned by an air flow via the suction mouth 6 ( Fig. 2 . 3 u. 4) of the floor nozzle 1 and transported via the suction pipe 14 and the suction hose 16 into the housing 21, 21a of the vacuum cleaner 2.
  • a separation system 13 which in the exemplary embodiment is designed as a dust bag. This separating system 13 is located in a dust space 24 formed by the housing parts 21 and 21a of the vacuum cleaner 2.
  • This dust space 24 is shown accessible and opened by a folding mechanism between the vacuum cleaner housing parts 21 and 21a, so that the separating system 13 is visible and removable.
  • the dust chamber 24 is closed and a negative pressure is generated.
  • the air flow generated by the negative pressure is freed of dirt and dirt in the separating system 13 and led out of the vacuum cleaner 2 via an exhaust air grille 23.
  • To switch the Vacuum cleaner 2 has a kick circuit 18.
  • This kick circuit 18 comprises switches which are sufficiently large that a user can actuate them with their foot.
  • the kick circuit 18 usually also has a switch for actuating the automatic winder (not shown) for the connecting cable 22 integrated in the vacuum cleaner housing 21, 21a.
  • the handle 15 there is also a manual circuit 17 with which the functions of the vacuum cleaner 2 and the floor nozzle 1 can be activated.
  • the vacuum cleaner 2 can be switched on and off via the manual control 17 and power levels of the blower (not shown) can be selected.
  • a user of the vacuum cleaner 1 can grasp the handle 15 and thus push the floor nozzle 1 back and forth in a processing direction 5 identified by a double arrow in a pushing and pulling movement in order to clean the floor surface.
  • the floor nozzle 1 slides over the floor surface to be cleaned.
  • Bottom 4 slides, especially on long-pile carpets ( Fig. 2 . 3 u. 4) the floor nozzle 1 over the floor surface, while the bottom 4 ( Fig. 2 . 3 u.
  • the floor nozzle 1 also has support elements 20 in the form of wheels, which have a defined distance between the underside 4 ( Fig. 2 . 3 u. 4) to the floor surfaces to be cleaned and easy handling when pushing the floor nozzle 1 back and forth.
  • the Figure 2 shows a view of the underside 4 of the floor nozzle 1 according to Figure 1 with a wave-shaped suction mouth 6.
  • the housing 3 of the floor nozzle 1 is shown with a view of the bottom 4 facing the processing area of the floor surface.
  • the suction mouth 6 is delimited by two associated suction mouth edges 7, 7a. These suction mouth edges 7, 7a are located in the machining direction 5 in front of the suction mouth 6 and in the machining direction 5 behind the suction mouth 6.
  • Both suction mouth edges 7, 7a each have an air channel labyrinth 8, which consists of several protruding toward the bottom surface 4 of the bottom nozzle 1 Sealing elements 9 is formed.
  • the sealing elements 9 shown here are designed as diamond-shaped solid 9.
  • the solid bodies 9 are distinguished by their solid structure, with which they produce a stable unit with the suction mouth edges 7, 7a formed on the underside 4.
  • These solid bodies 9 are arranged transversely to the machining direction 5 along the suction mouth 6 at the suction mouth edges 7, 7a. They protrude from the underside 4 in the direction of the bottom surface and thus form individual plateaus between which the air channels 27 of the air channel labyrinths 8 are arranged. Between these plateaus 9, the air channels 27 are open in the direction of the floor surface to be cleaned and thus form gorge-shaped spaces.
  • the adjacent solid bodies 9 are each arranged in the machining direction 5 with respect to one another, offset with respect to the suction mouth 6, so that a zigzag shape results from the diamonds 9, between which the air channels 27 of the air channel labyrinth 8 are formed.
  • Threaded levers 10, which are integrated in the solid bodies 9, are arranged on the underside 4 of the solid bodies 9 in the direction of the floor surface to be cleaned.
  • the diamond shape of the solid bodies 9 is oriented to the machining direction 5 such that the opposite tips 25, 25a, 26, 26a of the diamonds 9 are each oriented transversely to the machining direction 5 or in the machining direction 5.
  • the rhombus 9 of the geometrically identical solid 9 having an equally long diamond length I transverse to the machining direction 5 between two opposite corners 25, 25a and an equally long diamond width b in the machining direction 5 between two opposite corners 26, 26a.
  • the diamond shape of the solid body 9 is designed such that the diamond length I transverse to the machining direction 5 is greater than the diamond width b of the solid body 9 in the machining direction 5.
  • the suction mouth edge 7, 7a thus equipped enables optimal cleaning of differently designed floor surfaces. Over the diamond length I, the solid bodies 9 optimally seal the suction mouth 6 on smooth floors and, when the vacuum cleaner 2 and the floor nozzle 1 are in operation, ensure increased flow speeds in the air channels 27 formed in the air channel labyrinth 8, which improves the absorption of coarse dirt.
  • the narrow diamond width b of the solid 9 allows particularly good processing of carpets by the solid 9 arranged on the suction mouth edge 7, 7a, since the diamond width b has a great influence on the effective bending of the carpet fibers, which leads to improved deep cleaning.
  • the suction mouth 6 shown is wave-shaped between the diamond-shaped solids 9 and extends between the two suction mouth edges 7, 7a transversely to the machining direction 5. Via the wave-shaped shape of the suction mouth 6, it can be brought particularly close to the air channel labyrinths 8 formed on the suction mouth edges 7, 7a are what the absorption of dirt loosened via the suction mouth edges 7, 7a, in particular on carpets, is facilitated.
  • the Figure 2 also shows the support elements 20 designed as rollers or wheels, which are arranged on the underside 4 of the floor nozzle 1 and define a defined distance between the underside 4, in particular the solid body 9, and the floor surface. In this way, damage to smooth floors in particular can be prevented by contact with the solid bodies 9 of the air channel labyrinths 8 which protrude from the underside 4 of the floor nozzle 1.
  • Out Figure 3 is a view of the bottom 4 of the floor nozzle 1 according to Figure 1 in a further embodiment with a tapering suction mouth 6.
  • the design according to Figure 3 differs from the design according to Figure 2 in particular by virtue of the fact that the suction mouth 6 is not designed to be wave-shaped here.
  • the one shown here Elongated suction mouth 6 tapers in the machining direction 5 along the elongated extension transverse to the machining direction 5 on both sides in width.
  • the Figure 4 shows a view of the underside 4 of a floor nozzle 1 according to Figure 1 ,
  • sealing lip sections 11 are provided to form the suction mouth edges 7, 7a.
  • the elongated, soft sealing lip sections 11 of the air channel labyrinth 8 formed in each case on the suction mouth edges 7, 7a run transversely to the machining direction 5, the adjacent sealing lip sections 11 being arranged offset with respect to the suction mouth 6 in the machining direction 5.
  • This provides a particularly simple air channel labyrinth 8 which is gentle on the floor surface to be cleaned and which enables optimal cleaning of both smooth floors and carpets.
  • an elongated thread lifter 12 Arranged in the middle of the suction mouth 6 is an elongated thread lifter 12 which runs transversely to the machining direction 5 and which is combed over carpet fibers of a carpet to be cleaned that are swept over both in the forward movement and in the backward movement.
  • the thread lifter 12 By means of the central arrangement of the thread lifter 12 in the suction mouth 6, the dust thus exposed by the bending of the carpet fibers in the intermediate spaces between the fibers can be very easily absorbed via the suction mouth 6, which increases the dust-collecting effectiveness of the floor nozzle 1 and improves the cleaning result.
  • support elements 20 designed as rollers or wheels are provided, which predefine a defined distance between the underside 4 and the floor surface.
  • the sealing lip sections 11 are penetrated in sections by the air channels 27 formed in the air channel labyrinth 8. This allows increased flow velocities in the area of the air channels 27 formed by the air channel labyrinths 8, so that coarse dirt, in particular from smooth floors, can be easily absorbed.
  • the suction mouth width tapers in the machining direction 5 along the elongated extent of the suction mouth 6 transversely to the machining direction 5.
  • the invention is not limited to the exemplary embodiments shown. Further configurations are possible without leaving the basic idea. So the floor nozzle 1 can also be designed as part of a self-propelled vacuum cleaner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP19178309.1A 2018-06-28 2019-06-05 Buse de sol pour aspirateur et aspirateur Active EP3586709B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018115549.2A DE102018115549A1 (de) 2018-06-28 2018-06-28 Bodendüse für Staubsauger und Staubsauger

Publications (2)

Publication Number Publication Date
EP3586709A1 true EP3586709A1 (fr) 2020-01-01
EP3586709B1 EP3586709B1 (fr) 2022-04-27

Family

ID=66770282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19178309.1A Active EP3586709B1 (fr) 2018-06-28 2019-06-05 Buse de sol pour aspirateur et aspirateur

Country Status (2)

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EP (1) EP3586709B1 (fr)
DE (1) DE102018115549A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022213089A1 (de) 2022-12-05 2024-06-06 BSH Hausgeräte GmbH Saugdüse mit überlappenden Dichtelementen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524213A (en) * 1968-06-17 1970-08-18 Mayer Spivack Vacuum head
EP3003111A1 (fr) 2014-03-31 2016-04-13 Koninklijke Philips N.V. Suceur pour aspirateur

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524213A (en) * 1968-06-17 1970-08-18 Mayer Spivack Vacuum head
EP3003111A1 (fr) 2014-03-31 2016-04-13 Koninklijke Philips N.V. Suceur pour aspirateur

Also Published As

Publication number Publication date
EP3586709B1 (fr) 2022-04-27
DE102018115549A1 (de) 2020-01-02

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