EP0353546A1 - Suction cleaner nozzle - Google Patents

Suction cleaner nozzle Download PDF

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Publication number
EP0353546A1
EP0353546A1 EP89113289A EP89113289A EP0353546A1 EP 0353546 A1 EP0353546 A1 EP 0353546A1 EP 89113289 A EP89113289 A EP 89113289A EP 89113289 A EP89113289 A EP 89113289A EP 0353546 A1 EP0353546 A1 EP 0353546A1
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EP
European Patent Office
Prior art keywords
mouthpiece
axis
vacuum cleaner
support
mouthpiece part
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
EP89113289A
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German (de)
French (fr)
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EP0353546B1 (en
Inventor
Heribert Schwarz
Wolfgang Dipl.-Ing. Fleischer
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.)
BOSCH-SIEMENS HAUSGERAETE GMBH
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Siemens AG
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Publication date
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Publication of EP0353546A1 publication Critical patent/EP0353546A1/en
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Publication of EP0353546B1 publication Critical patent/EP0353546B1/en
Anticipated expiration legal-status Critical
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    • 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 vacuum cleaner mouthpiece according to the preamble of claim 1.
  • Such a vacuum cleaner mouthpiece is known from DE-PS 30 09 648.
  • the mouthpiece part which is pivotably arranged on the intermediate channel part is completely decoupled from the vertical component of the force exerted on the mouthpiece via the handling handle.
  • the mouthpiece part is therefore slightly inclined when sucking in accordance with the respective direction of movement of the mouthpiece, in such a way that the front boundary edge of the suction channel in relation to the direction of movement is tilted toward the surface to be cleaned. This edge penetrates more strongly into the carpet pile when cleaning carpets, which increases the pushing force.
  • so-called rattling of the mouthpiece part can easily occur.
  • the invention has for its object to develop a vacuum cleaner mouthpiece of the generic type so that the mouthpiece part can be moved without tilting over the surface to be cleaned during cleaning.
  • the mouthpiece part is articulated on an attachment formed on the underside of the housing of the intermediate channel part. This is the easiest way to achieve the necessary deep position of the tilt axis.
  • two rollers are provided as support pads on each long side of the mouthpiece part.
  • the rollers arranged on one long side of the mouthpiece part are axially offset in the longitudinal direction of the mouthpiece part compared to the rollers arranged on the other long side.
  • thread-shaped thread lifters are arranged on the mouthpiece part in front of and behind the suction channel in an inclination angle that increases towards the outer longitudinal sides of the mouthpiece part relative to the support plane of the mouthpiece part.
  • An increase in the negative pressure in the suction channel of the mouthpiece part can be achieved in that an elastic apron extending at least over a partial length of the mouthpiece part is arranged after the rear working edge of the suction channel.
  • a vacuum cleaner mouthpiece designated 1 has an intermediate channel wedge 2, a mouthpiece part 3 and a connecting piece 4.
  • the mouthpiece part 3 is articulated on a projection 5 integrally formed on one end of the intermediate channel part 2 on the underside of its housing, about a tilt axis 6.
  • the connecting piece 4 is connected to the intermediate duct part 2 such that it can be pivoted in height about a pivot axis 7.
  • outwardly projecting bearing pins 8 are also formed on the side walls thereof, on each of which a barrel-shaped support roller 9 is rotatably mounted.
  • the central axis of the bearing pin 8 thus forms the axis of rotation 10 for the support rollers 9.
  • the support rollers 9 are secured to the bearing pin 8 in the axial direction by a latching connection 11. In the area of their largest diameter, the support rollers 9 are provided with a soft support 12.
  • the mouthpiece part 3 has a suction channel 13, which extends continuously from the transverse sides 14 of the mouthpiece part 3 to its transverse central axis 15.
  • a provided on the mouthpiece part 3 and corresponding to the tilt radius of the mouthpiece Part 3 arcuate suction nozzle 16 engages in the correspondingly arcuate one end 17 of the intermediate channel part 2.
  • the suction channel 13 can thus be brought into suction connection with a vacuum cleaner via its suction nozzle 16, the intermediate channel part 2, the connecting piece 4 and a suction line which can be plugged onto the latter.
  • rollers 18 and 19 are rotatably arranged on the mouthpiece part 3 in the corner regions thereof.
  • the rollers 18 arranged on the one long side of the suction channel 13 are evenly offset in the direction of the longitudinal central axis 20 of the mouthpiece part 3 compared to the rollers 19 arranged on the other long side.
  • the rollers 18 and 19 support the mouthpiece part 3 on the surface to be suctioned off, so that the front and rear working edges 21 and 22 delimiting the suction channel 13 lie at a small distance 23 above the surface to be suctioned off.
  • rollers 18 and 19 are arranged adjustable in height in the mouthpiece part 3, they can be moved upwards with a corresponding negative pressure acting on the mouthpiece part 3 so that the working edges 21 and 22 rest on the surface to be suctioned off. Since a significantly higher vacuum occurs when vacuuming carpets on the mouthpiece part 3 than when vacuuming smooth floors, the engagement of the working edges 21 and 22 in the carpet pile is thus automatically achieved when cleaning a carpet.
  • thread lifters 24 and 25 are arranged on both sides of its suction channel.
  • at least the front thread lifter 24 is of spherical design and is arranged on the mouthpiece 3 so as to rise obliquely outwards.
  • an elastic apron 26 is arranged after the rear working edge 22 on both sides of the rear thread lifter 25, which with its free end on the sucking surface and thus seals the space under the mouthpiece part 3 to the back.
  • the tilt axis 6 of the mouthpiece part 3 is located below the axis of rotation 10 of the support rollers 9 in height and is furthermore arranged in a horizontal direction in front of the rollers 19 forming the rear support supports towards the longitudinal central axis 20.
  • the position of the tilt axis 6 is chosen so that the extension 28 of the connecting line 27 drawn between the pivot axis 7 and the tilt axis 6 intersects the support plane 29 of the mouthpiece part 3 in the area between the longitudinal central axis 20 and the support point 30 of the rear rollers 19.

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

Abstract

The invention relates to a suction cleaner nozzle, in which a nozzle part (3), having support rests (18, 19) before and after its suction channel (13), is linked so as to be tiltable to an intermediate channel part (2) in the region of the one end of the latter, and, furthermore, a connector (4) for a suction line is arranged on the intermediate channel part (2) so as to be upwardly swivellable in the region of the other end of said intermediate channel part (2), and at least one support roller (9) is mounted rotatably on the housing of the intermediate channel part (2). Tilting of the nozzle part during suction cleaning is avoided by the fact that the swivel axis (7) of the connector (4) on the intermediate channel part (2) is situated vertically above the axis (10) of rotation of the support roller (9), and that, furthermore, the tilting axis (6) of the nozzle body (3) in the vertical direction is situated so far below the axis (10) of rotation of the support roller (9) that the continuation (28) of the connection line (27) between the swivel axis (7) and the tilting axis (6) intersects the resting plane (29) of the nozzle part (3) in the region between the centre (20) of the front and rear support rests (18 and 19) and the resting point (30) of the rear support rests (19) and is arranged in the vertical direction in front of the rear support rests (19) towards the centre (20) of the front and rear support rests (18 and 19). <IMAGE>

Description

Die Erfindung betrifft ein Staubsaugermundstück gemäß dem Ober­begriff des Anspruches 1.The invention relates to a vacuum cleaner mouthpiece according to the preamble of claim 1.

Ein solches Staubsaugermundstück ist durch die DE-PS 30 09 648 bekannt. Bei diesem Mundstück ist das verschwenkbar am Zwischen­kanalteil angeordnete Mundstückteil vollkommen von der senkrech­ten Komponente des über den Handhabungsstiel auf das Mundstück ausgeübten Kraft entkoppelt. Das Mundstückteil stellt sich da­her beim Saugen entsprechend der jeweiligen Bewegungsrichtung des Mundstückes leicht schräg und zwar so, daß die im bezug auf die Bewegungsrichtung jeweils vordere Begrenzungskante des Saug­kanales auf die zu reinigende Fläche zu gekippt wird. Damit dringt diese Kante beim Reinigen von Teppichen stärker in den Teppichflor ein, was zu einer Erhöhung der Schiebekraft führt. Infolge der Schrägstellung des Mundstückteiles kann es auch leicht zum sogenannten Rattern des Mundstückteiles kommen.Such a vacuum cleaner mouthpiece is known from DE-PS 30 09 648. In the case of this mouthpiece, the mouthpiece part which is pivotably arranged on the intermediate channel part is completely decoupled from the vertical component of the force exerted on the mouthpiece via the handling handle. The mouthpiece part is therefore slightly inclined when sucking in accordance with the respective direction of movement of the mouthpiece, in such a way that the front boundary edge of the suction channel in relation to the direction of movement is tilted toward the surface to be cleaned. This edge penetrates more strongly into the carpet pile when cleaning carpets, which increases the pushing force. As a result of the inclined position of the mouthpiece part, so-called rattling of the mouthpiece part can easily occur.

Der Erfindung liegt die Aufgabe zugrunde, ein Staubsaugermund­stück der gattungsgemäßen Art so weiterzubilden, daß das Mund­stückteil beim Reinigen kippfrei über die zu reinigende Fläche bewegbar ist.The invention has for its object to develop a vacuum cleaner mouthpiece of the generic type so that the mouthpiece part can be moved without tilting over the surface to be cleaned during cleaning.

Die Lösung der gestellten Aufgabe gelingt durch die im Kennzei­chen des Anspruches 1 angegebenen Merkmale. Bei einer solchen Ausbildung des Staubsaugermundstückes wird wegen des Achsabstan­des zwischen der Schwenkachse des Ansaugstutzens und der Dreh­achse der Tragrolle durch die auf den Handhabungsstiel ausgeübte Kraft ein auf den Zwischenkanalteil wirkendes Kippmoment er­zeugt. Dieses Kippmoment wiederum hat eine entsprechende An­drückkraft des Mundstückteiles an die zu reinigende Fläche zur Folge. Infolge der Lage der Kippachse wirkt diese Andrückkraft im wesentlichen auf die hinteren Stützauflagen des Mundstück­teiles, so daß einem nach Vornekippen des Mundstückteiles ent­gegengewirkt wird. Somit wird ein stabiles Gleitverhalten des Mundstückteiles auf unterschiedlichen Bodenbelägen erreicht.The problem is solved by the features specified in the characterizing part of claim 1. In such a configuration of the vacuum cleaner mouthpiece, a tilting moment acting on the intermediate channel part is generated because of the center distance between the pivot axis of the suction nozzle and the axis of rotation of the support roller due to the force exerted on the handle. This tilting moment in turn has a corresponding pressing force of the mouthpiece part against the surface to be cleaned Episode. As a result of the position of the tilt axis, this pressing force essentially acts on the rear support supports of the mouthpiece part, so that one counteracts after the mouthpiece part tilts forward. A stable sliding behavior of the mouthpiece part on different floor coverings is thus achieved.

Die Anlenkung des Mundstückteiles erfolgt an einem an der Unter­seite des Gehäuses des Zwischenkanalteiles angeformten Ansatz. Auf diese Weise läßt sich am einfachsten die notwendige tiefe Lage der Kippachse erreichen.The mouthpiece part is articulated on an attachment formed on the underside of the housing of the intermediate channel part. This is the easiest way to achieve the necessary deep position of the tilt axis.

Zur Verminderung der Schiebekraft ist es vorteilhaft, daß als Stützauflagen an jeder Längsseite des Mundstückteiles zwei Rol­len vorgesehen sind.To reduce the pushing force, it is advantageous that two rollers are provided as support pads on each long side of the mouthpiece part.

Um bei mit einer gleichmäßigen Fugenstruktur (Kachelböden) ver­sehenen Böden ein gleichzeitiges Eintauchen aller Rollen des Mundstückteiles in die Fugen zu vermeiden, sind die auf der einen Längsseite des Mundstückteiles angeordneten Rollen gegen­über den auf der anderen Längsseite angeordneten Rollen in Längsrichtung des Mundstückteiles achsversetzt. Durch eine höhenverstellbare Anordnung der Rollen des Mundstückteiles wird ein selbsttätiges Einstellen des Abstandes zwischen der Unterseite des Mundstückteiles und der zu reinigenden Fläche in Abhängigkeit von dem am Mundstückteil wirkenden Unterdruck und der über den Handhabungsstiel ausgeübten Andrückkraft erreicht.In order to avoid simultaneous immersion of all rollers of the mouthpiece part in the joints in the case of floors provided with a uniform joint structure (tile floors), the rollers arranged on one long side of the mouthpiece part are axially offset in the longitudinal direction of the mouthpiece part compared to the rollers arranged on the other long side. By means of a height-adjustable arrangement of the rollers of the mouthpiece part, an automatic adjustment of the distance between the underside of the mouthpiece part and the surface to be cleaned is achieved as a function of the negative pressure acting on the mouthpiece part and the pressing force exerted on the handle.

Die Aufnahme von Fäden und Flusen wird dadurch wesentlich ver­bessert, daß an dem Mundstückteil vor und hinter dem Saugkanal ballig ausgebildete Fadenheber in einem zu den äußeren Längs­seiten des Mundstückteiles hin ansteigenden Neigungswinkel ge­genüber der Auflageebene des Mundstückteiles angeordnet sind.The inclusion of threads and fluff is significantly improved in that thread-shaped thread lifters are arranged on the mouthpiece part in front of and behind the suction channel in an inclination angle that increases towards the outer longitudinal sides of the mouthpiece part relative to the support plane of the mouthpiece part.

Dadurch, daß die den Saugkanal begrenzenden Arbeitskanten im Bereich der Fadenheber auf gleiche Höhe durchgezogen sind, er­ folgt auch im Bereich der Fadenheber eine die Schmutzaufnahme verbesserende mechanische Bearbeitung des Teppichflores.Characterized in that the working edges delimiting the suction channel are pulled through at the same height in the area of the thread lifter, he In the area of the thread lifter, mechanical processing of the carpet pile also improves the dirt absorption.

Eine Steigerung des Unterdruckes im Saugkanal des Mundstücktei­les ist dadurch erzielbar, daß nach der hinteren Arbeitskante des Saugkanales eine sich zumindest über eine Teillänge des Mundstückteiles erstreckende elastische Schürze angeordnet ist.An increase in the negative pressure in the suction channel of the mouthpiece part can be achieved in that an elastic apron extending at least over a partial length of the mouthpiece part is arranged after the rear working edge of the suction channel.

Anhand eines in der Zeichnung dargestellten Ausführungsbeispie­les wird der Anmeldungsgegenstand nachfolgende näher beschrie­ben. Es zeigt:

  • FIG 1 ein Staubsaugermundstück im Schnitt,
  • FIG 2 eine Unteransicht des Staubsaugermundstückes.
The subject of the application is described in more detail below using an exemplary embodiment shown in the drawing. It shows:
  • 1 shows a vacuum cleaner mouthpiece in section,
  • 2 shows a bottom view of the vacuum cleaner mouthpiece.

Ein mit 1 bezeichnetes Staubsaugermundstück weist einen Zwi­schenkanalkeil 2, ein Mundstückteil 3 und einen Anschlußstutzen 4 auf. Das Mundstückteil 3 ist an einem am einen Ende des Zwi­schenkanalteiles 2 an der Unterseite von dessen Gehäuse ange­formten Ansatz 5 um eine Kippachse 6 kippbar angelenkt. Am an­deren Ende des Zwischenkanalteiles 2 ist der Anschlußstutzen 4 um eine Schwenkachse 7 höhenverschwenkbar mit dem Zwischenka­nalteil 2 verbunden. An diesem Ende des Zwischenkanalteiles 2 sind ferner an dessen Seitenwänden nach außen abstehende Lager­zapfen 8 angeformt, auf denen jeweils eine tonnenförmig ausge­bildete Tragrolle 9 drehbar gelagert ist. Die Mittelachse der Lagerzapfen 8 bildet somit die Drehachse 10 für die Tragrollen 9. Die Tragrollen 9 sind durch eine Rastverbindung 11 in axia­ler Richtung auf den Lagerzapfen 8 gesichert. Im Bereich ihres größten Durchmessers sind die Tragrollen 9 mit einer weichen Auflage 12 versehen.A vacuum cleaner mouthpiece designated 1 has an intermediate channel wedge 2, a mouthpiece part 3 and a connecting piece 4. The mouthpiece part 3 is articulated on a projection 5 integrally formed on one end of the intermediate channel part 2 on the underside of its housing, about a tilt axis 6. At the other end of the intermediate duct part 2, the connecting piece 4 is connected to the intermediate duct part 2 such that it can be pivoted in height about a pivot axis 7. At this end of the intermediate channel part 2, outwardly projecting bearing pins 8 are also formed on the side walls thereof, on each of which a barrel-shaped support roller 9 is rotatably mounted. The central axis of the bearing pin 8 thus forms the axis of rotation 10 for the support rollers 9. The support rollers 9 are secured to the bearing pin 8 in the axial direction by a latching connection 11. In the area of their largest diameter, the support rollers 9 are provided with a soft support 12.

Das Mundstückteil 3 weist einen Saugkanal 13 auf, der sich von den Querseiten 14 des Mundstückteiles 3 ausgehend zu dessen Quermittelachse 15 hin stetig erweitert. Ein am Mundstückteil 3 vorgesehener und entsprechend dem Kippradius des Mundstück­ teiles 3 bogenförmig ausgebildeter Saugstutzen 16 greift in das ebenfalls entsprechend bogenförmig ausgebildete eine Ende 17 des Zwischenkanalteiles 2 ein. Der Saugkanal 13 kann somit über seinen Saugstutzen 16, den Zwischenkanalteil 2, den An­schlußstutzen 4 und eine an diesen ansteckbare Saugleitung mit einem Staubsauger in Saugverbindung gebracht werden.The mouthpiece part 3 has a suction channel 13, which extends continuously from the transverse sides 14 of the mouthpiece part 3 to its transverse central axis 15. A provided on the mouthpiece part 3 and corresponding to the tilt radius of the mouthpiece Part 3 arcuate suction nozzle 16 engages in the correspondingly arcuate one end 17 of the intermediate channel part 2. The suction channel 13 can thus be brought into suction connection with a vacuum cleaner via its suction nozzle 16, the intermediate channel part 2, the connecting piece 4 and a suction line which can be plugged onto the latter.

Am Mundstückteil 3 sind in dessen Eckbereichen vier Rollen 18 und 19 drehbar angeordnet. Hierbei sind die auf der einen Längsseite des Saugkanales 13 angeordneten Rollen 18 gegenüber den auf der anderen Längsseite angeordneten Rollen 19 in Rich­tung der Längsmittelachse 20 des Mundstückteiles 3 gleichmäßig versetzt. Die Rollen 18 und 19 stützen das Mundstückteil 3 auf der abzusaugenden Fläche ab, so daß die den Saugkanal 13 be­grenzenden vorderen und hinteren Arbeitskanten 21 und 22 in einem kleinen Abstand 23 über der abzusaugenden Fläche liegen. Werden die Rollen 18 und 19 höhenverstellbar im Mundstückteil 3 angeordnet, so können diese bei entsprechendem, am Mundstück­teil 3 wirkenden Unterdruck soweit nach oben bewegt werden, daß die Arbeitskanten 21 und 22 auf der abzusaugenden Fläche auf­liegen. Da beim Saugen von Teppichen am Mundstückteil 3 ein wesentlich höherer Unterdruck auftritt als beim Saugen von glatten Böden, wird somit beim Reinigen eines Teppichbodens selbsttätig der Eingriff der Arbeitskanten 21 und 22 in den Teppichflor erreicht.Four rollers 18 and 19 are rotatably arranged on the mouthpiece part 3 in the corner regions thereof. Here, the rollers 18 arranged on the one long side of the suction channel 13 are evenly offset in the direction of the longitudinal central axis 20 of the mouthpiece part 3 compared to the rollers 19 arranged on the other long side. The rollers 18 and 19 support the mouthpiece part 3 on the surface to be suctioned off, so that the front and rear working edges 21 and 22 delimiting the suction channel 13 lie at a small distance 23 above the surface to be suctioned off. If the rollers 18 and 19 are arranged adjustable in height in the mouthpiece part 3, they can be moved upwards with a corresponding negative pressure acting on the mouthpiece part 3 so that the working edges 21 and 22 rest on the surface to be suctioned off. Since a significantly higher vacuum occurs when vacuuming carpets on the mouthpiece part 3 than when vacuuming smooth floors, the engagement of the working edges 21 and 22 in the carpet pile is thus automatically achieved when cleaning a carpet.

Im Mittenbereich des Mundstückteiles 3 sind beidseitig zu des­sen Saugkanal 13 Fadenheber 24 und 25 angeordnet. Wie aus FIG 1 erkennbar ist, ist zumindest der vordere Fadenheber 24 ballig ausgebildet und nach außen schräg ansteigend am Mundstück 3 angeordnet. Zur Erhöhung des am Mundstückteil 3 wirksam werden­den Unterdruckes ist nach der hinteren Arbeitskante 22 zu bei­den Seiten des hinteren Fadenhebers 25 jeweils eine elastische Schürze 26 angeordnet, die mit ihrem freien Ende auf der ab­ zusaugenden Fläche schleift und somit den Raum unter dem Mund­stückteil 3 zu dessen Rückseite hin abdichtet.In the central area of the mouthpiece part 3 13 thread lifters 24 and 25 are arranged on both sides of its suction channel. As can be seen from FIG. 1, at least the front thread lifter 24 is of spherical design and is arranged on the mouthpiece 3 so as to rise obliquely outwards. In order to increase the negative pressure which becomes effective on the mouthpiece part 3, an elastic apron 26 is arranged after the rear working edge 22 on both sides of the rear thread lifter 25, which with its free end on the sucking surface and thus seals the space under the mouthpiece part 3 to the back.

Wie die Schnittdarstellung nach FIG 1 zeigt, liegt die Kipp­achse 6 des Mundstückteiles 3 höhenmäßig unterhalb der Drehachse 10 der Tragrollen 9 und ist ferner in waagrechter Richtung vor den die hinteren Stützauflagen bildenden Rollen 19 zur Längsmit­telachse 20 hin angeordnet. Die Lage der Kippachse 6 ist dabei so gewählt, daß die Verlängerung 28 der zwischen der Schwenk­achse 7 und der Kippachse 6 gezogenen Verbindungslinie 27 die Auflageebene 29 des Mundstückteiles 3 in dem Bereich zwischen der Längsmittelachse 20 und dem Auflagepunkt 30 der hinteren Rollen 19 schneidet. Infolge des Achsabstandes 31 zwischen der Schwenkachse 7 und der Drehachse 10 wird durch die waagerechte Komponente der auf das Staubsaugermundstück 1 ausgeübten Schie­bekraft ein Kippmoment auf das Zwischenkanalteil 2 ausgeübt. Dieses Kippmoment erzeugt am Mundstückteil 3 eine senkrecht gerichtete Kraft, welche über die Kippachse 6 in das Mundstück­teil 3 eingeleitet wird und dieses gegen die abzusaugende Flä­che drückt. Durch die beschriebene Lage der Kippachse 6 wird eine Ausgewogenheit der verschiedenen am Mundstückteil 3 an­greifenden Kräfte erzielt, so daß ein stabiles Gleitverhalten des Mundstückes gewährleistet ist.As the sectional view according to FIG. 1 shows, the tilt axis 6 of the mouthpiece part 3 is located below the axis of rotation 10 of the support rollers 9 in height and is furthermore arranged in a horizontal direction in front of the rollers 19 forming the rear support supports towards the longitudinal central axis 20. The position of the tilt axis 6 is chosen so that the extension 28 of the connecting line 27 drawn between the pivot axis 7 and the tilt axis 6 intersects the support plane 29 of the mouthpiece part 3 in the area between the longitudinal central axis 20 and the support point 30 of the rear rollers 19. As a result of the center distance 31 between the pivot axis 7 and the axis of rotation 10, a tilting moment is exerted on the intermediate channel part 2 by the horizontal component of the pushing force exerted on the vacuum cleaner mouthpiece 1. This tilting moment generates a vertically directed force on the mouthpiece part 3, which force is introduced into the mouthpiece part 3 via the tilting axis 6 and presses it against the surface to be extracted. The described position of the tilt axis 6 achieves a balance of the various forces acting on the mouthpiece part 3, so that a stable sliding behavior of the mouthpiece is ensured.

Claims (8)

1. Staubsaugermundstück, bei dem ein vor und hinter seinem Saug­kanal (13) Stützauflagen (18, 19) aufweisendes Mundstückteil (3) im Bereich des einen Endes eines Zwischenkanalteiles (2) kippbar an diesem angelenkt ist, wobei die Kippachse (6) im Bereich zwi­schen den Stützauflagen (18, 19) liegt, bei welchem Mundstück ferner ein Anschlußstutzen (4) für eine Saugleitung im Bereich des anderen Endes des Zwischenkanalteiles (2) höhenverschwenkbar an diesem angeordnet und mindestens eine Tragrolle (9) drehbar am Gehäuse des Zwischenkanalteiles (2) gelagert ist, da­durchgekennzeichnet, daß die Schwenkachse (7) des Anschlußstutzens (4) an dem Zwischenkanalteil (2) senk­recht über der Drehachse (10) der Tragrolle (9) liegt, daß fer­ner die Kippachse (6) des Mundstückteiles (3) in senkrechter Richtung derart unterhalb der Drehachse (10) der Tragrolle (9) und in waagerechter Richtung derart vor den hinteren Stützauf­lagen (19) zur Mitte (20) der vorderen und hinteren Stützaufla­gen (18 und 19) hin angeordnet ist, daß die Verlängerung (28) der Verbindungslinie (27) zwischen der Schwenkachse (7) des Anschlußstutzens (4) und der Kippachse (6) des Mundstückteiles (3) die Auflageebene (29) des Mundstückteiles (3) in dem Bereich zwischen der Mitte (20) der vorderen und hinteren Stützauflagen (18 und 19) und dem Auflagepunkt (30) der hinteren Stützauflagen (19) schneidet.1. Vacuum cleaner mouthpiece, in which a mouthpiece part (3), which has support supports (18, 19) in front of and behind its suction channel (13), is articulated in the region of one end of an intermediate channel part (2), the tilting axis (6) in the region between the support supports (18, 19), which mouthpiece also has a connecting piece (4) for a suction line in the region of the other end of the intermediate channel part (2), which can be pivoted vertically thereon and at least one support roller (9) rotatably on the housing of the intermediate channel part (2 ) is mounted, characterized in that the pivot axis (7) of the connecting piece (4) on the intermediate channel part (2) is perpendicular to the axis of rotation (10) of the support roller (9), that the tilt axis (6) of the mouthpiece part (3) in vertical direction below the axis of rotation (10) of the support roller (9) and in the horizontal direction in front of the rear support supports (19) to the center (20) of the front and rear support supports (18 and 19) is arranged so that the extension (28) of the connecting line (27) between the pivot axis (7) of the connecting piece (4) and the tilt axis (6) of the mouthpiece part (3) the support plane (29) of the mouthpiece part (3) cuts in the area between the center (20) of the front and rear support pads (18 and 19) and the support point (30) of the rear support pads (19). 2. Staubsaugermundstück nach Anspruch 1, dadurch ge­kennzeichnet, daß das Mundstückteil (3) an einem an der Unterseite des Gehäuses des Zwischenkanalteiles (2) ange­formten Ansatz (5) kippbar angelenkt ist.2. Vacuum cleaner mouthpiece according to claim 1, characterized in that the mouthpiece part (3) is pivotably articulated on a projection (5) formed on the underside of the housing of the intermediate channel part (2). 3. Staubsaugermundstück nach Ansruch 1 oder 2, dadurch gekennzeichnet, daß als Stützauflagen an jeder Längsseite des Mundstückteiles (3) zwei Rollen (18 bzw. 19) vor­gesehen sind.3. Vacuum cleaner mouthpiece according to claim 1 or 2, characterized in that two rollers (18 and 19) are provided as support pads on each longitudinal side of the mouthpiece part (3). 4. Staubsaugermundstück nach Anspruch 3, dadurch ge­kennzeichnet, daß die auf der einen Längsseite des Mundstückteiles (3) angeordneten Rollen (18) gegenüber den auf der anderen Längsseite angeordneten Rollen (19) in Richtung der Längsmittelachse (20) des Mundstückteiles (3) versetzt sind.4. Vacuum cleaner mouthpiece according to claim 3, characterized in that the on one longitudinal side of the mouthpiece part (3) arranged rollers (18) relative to the arranged on the other longitudinal side rollers (19) in the direction of the longitudinal central axis (20) of the mouthpiece part (3) are. 5. Staubsaugermundstück nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Rollen (18 und 19) hö­henverstellbar im Mundstückteil (3) angeordnet sind.5. Vacuum cleaner mouthpiece according to claim 3 or 4, characterized in that the rollers (18 and 19) are arranged height-adjustable in the mouthpiece part (3). 6. Staubsaugermundstück nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeich­net, daß an dem Mundstückteil (3) vor und hinter dessen Saugkanal (13) ballig ausgebildete Fadenheber (24, 25) in einem nach außen zu den Längsseiten des Mundstückteiles (3) hin an­steigenden Neigungswinkel gegenüber der Auflageebene (29) des Mundstückteiles (3) angeordnet sind.6. Vacuum cleaner mouthpiece according to one or more of the preceding claims, characterized in that on the mouthpiece part (3) in front of and behind its suction channel (13) crowned thread lifter (24, 25) in an outward towards the long sides of the mouthpiece part (3) increasing angle of inclination with respect to the support plane (29) of the mouthpiece part (3) are arranged. 7. Staubsaugermundstück nach Anspruch 6, dadurch ge­kennzeichnet, daß die den Saugkanal (13) begren­zenden Arbeitskanten (21, 22) im Bereich der Fadenheber (24, 25) auf gleicher Höhe durchgezogen sind.7. Vacuum cleaner mouthpiece according to claim 6, characterized in that the suction channel (13) delimiting working edges (21, 22) in the area of the thread lifter (24, 25) are pulled through at the same height. 8. Staubsaugermundstück nach einem oder mehreren der vorhergehen­den Ansprüche, dadurch gekennzeichnet, daß nach der hinteren Arbeitskante (22) des Saugkanales (13) eine sich zumindest über eine Teillänge des Mundstückteiles (3) erstreckende elastische Schürze (26) angeordnet ist.8. Vacuum cleaner mouthpiece according to one or more of the preceding claims, characterized in that an elastic apron (26) extending at least over a partial length of the mouthpiece part (3) is arranged after the rear working edge (22) of the suction channel (13).
EP89113289A 1988-08-01 1989-07-19 Suction cleaner nozzle Expired - Lifetime EP0353546B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8809802U DE8809802U1 (en) 1988-08-01 1988-08-01 Vacuum cleaner mouthpiece
DE8809802U 1988-08-01

Publications (2)

Publication Number Publication Date
EP0353546A1 true EP0353546A1 (en) 1990-02-07
EP0353546B1 EP0353546B1 (en) 1992-12-09

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Family Applications (1)

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EP89113289A Expired - Lifetime EP0353546B1 (en) 1988-08-01 1989-07-19 Suction cleaner nozzle

Country Status (2)

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EP (1) EP0353546B1 (en)
DE (2) DE8809802U1 (en)

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EP0668044A1 (en) * 1994-02-22 1995-08-23 AEG Hausgeräte GmbH Suction nozzle for vacuum cleaner
EP0670137A1 (en) * 1994-02-25 1995-09-06 AEG Hausgeräte GmbH Vacuum cleaner nozzle
EP0737437A1 (en) * 1995-04-13 1996-10-16 ETABLISSEMENTS GEORGES OLIVIER Société Anonyme dite: Vacuum cleaner nozzle having wheels at the rear
FR2748196A1 (en) * 1996-05-01 1997-11-07 Wessel Werk Gmbh SUCTION HEAD FOR VACUUM
EP0858760A1 (en) * 1997-02-14 1998-08-19 Techno Finish GmbH Supporting roller for vacuum cleaner nozzle
EP0860139A1 (en) * 1997-02-21 1998-08-26 Wessel-Werk Gmbh Nozzle for vacuum cleaner
FR2766082A1 (en) * 1997-07-17 1999-01-22 Bosch Siemens Hausgeraete VACUUM CLEANER NOZZLE
EP0898923A1 (en) * 1997-08-30 1999-03-03 Wessel-Werk Gmbh Suction nozzle for vacuum cleaner
WO2002026097A1 (en) * 2000-09-28 2002-04-04 Dyson Limited A floor tool
WO2003039315A1 (en) * 2001-11-03 2003-05-15 Dyson Limited A floor tool
GB2391459A (en) * 2002-08-09 2004-02-11 Dyson Ltd A surface treating appliance with increased manoeuverability
EP1875846A2 (en) * 2006-07-07 2008-01-09 Wessel-Werk Gmbh Nozzle for floor vacuum cleaner
US7370390B1 (en) * 2003-02-05 2008-05-13 Muller Albert F Pivot connection for vacuum cleaner nozzle
CN100387177C (en) * 2005-02-28 2008-05-14 松下电器产业株式会社 Electric cleaner sucker and the electric cleaner having the sucker
WO2008078065A1 (en) * 2006-12-22 2008-07-03 Dyson Technology Limited A floor tool has a surface treating appliance such as a vacuum cleaner
DE202009010089U1 (en) 2009-06-18 2009-11-12 Wessel-Werk Gmbh Floor nozzle for vacuum cleaner
EP2225991A2 (en) 2009-03-03 2010-09-08 Dyson Technology Limited A floor tool
KR101153256B1 (en) 2004-05-13 2012-06-05 다이슨 테크놀러지 리미티드 An accessory for a cleaning appliance
EP2532291A2 (en) 2011-06-09 2012-12-12 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle with undercarriage assembly
WO2013045818A1 (en) * 2011-09-28 2013-04-04 Seb S.A. Vacuum cleaner head
US8429791B2 (en) 2009-10-15 2013-04-30 Dyson Technology Limited Surface treating appliance
US8438699B2 (en) 2009-10-15 2013-05-14 Dyson Technology Limited Surface treating appliance
CN103565358A (en) * 2012-07-19 2014-02-12 威赛有限公司 Vacuum cleaner nozzle especially for household vacuum cleaner
US9326653B2 (en) 2009-10-15 2016-05-03 Dyson Technology Limited Surface treating appliance
EP3892177A1 (en) * 2020-04-06 2021-10-13 Wessel-Werk GmbH Vacuum cleaner jet
DE102021118096A1 (en) 2021-07-13 2023-01-19 Wessel-Werk Gmbh vacuum cleaner nozzle

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US5123141A (en) * 1990-02-09 1992-06-23 Rexair, Inc. Cleaning tool having airflow directing manifold for a vacuum cleaner system
DE4201596C2 (en) * 1992-01-22 2001-07-05 Gerhard Kurz Floor nozzle for vacuum cleaners
DE4243244C2 (en) * 1992-12-19 1999-11-04 Miele & Cie Wheeled floor nozzle for vacuum cleaners
DE29818868U1 (en) * 1998-06-15 1999-01-07 BSH Bosch und Siemens Hausgeräte GmbH, 81669 München Vacuum cleaner mouthpiece
ITMI991289A1 (en) * 1998-06-15 2000-12-10 Bsh Bosch Siemens Hausgeraete VACUUM CLEANER NOZZLE
DE19844438A1 (en) * 1998-09-28 2000-03-30 Bsh Bosch Siemens Hausgeraete Vacuum cleaner suction head
GB2474470B (en) 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474464B (en) 2009-10-15 2013-11-20 Dyson Technology Ltd A surface treating appliance
GB2474465B (en) 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474473B (en) 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474475B (en) 2009-10-15 2013-10-23 Dyson Technology Ltd A surface treating appliance
GB2474469B (en) 2009-10-15 2013-11-13 Dyson Technology Ltd A surface treating appliance
GB2474463B (en) 2009-10-15 2013-11-13 Dyson Technology Ltd A surface treating appliance
GB0918027D0 (en) 2009-10-15 2009-12-02 Dyson Technology Ltd A surface trating appliance
GB2474462B (en) 2009-10-15 2013-12-11 Dyson Technology Ltd A surface treating appliance with domed-shaped wheels
DE102010043515B4 (en) 2010-11-05 2014-10-16 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle arrangement and vacuum cleaner
DE102011081838A1 (en) 2010-11-05 2012-05-10 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle, process for their preparation and vacuum cleaner equipped therewith
DE102012100044A1 (en) * 2012-01-04 2013-07-04 Miele & Cie. Kg Vacuum cleaner used for cleaning surface of table, cabinet furniture and hard floor, has secondary housing portion that is provided with suction port, and rolling device which is provided at primary housing portion

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FR2439577A1 (en) * 1978-10-27 1980-05-23 Miele & Cie Suction nozzle for vacuum cleaner - is supported on floor by wheel, and consists of two hinged parts tilting on pivot points (NL 29.4.80)
US4333205A (en) * 1979-11-14 1982-06-08 Robert E. Robbins Vacuum cleaner with soil agitator and compressed air means
EP0125994A1 (en) * 1983-05-17 1984-11-21 ETABLISSEMENTS GEORGES OLIVIER Société Anonyme dite: Vacuum cleaning nozzle with a supporting wheel or with a sliding plate

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668044A1 (en) * 1994-02-22 1995-08-23 AEG Hausgeräte GmbH Suction nozzle for vacuum cleaner
EP0670137A1 (en) * 1994-02-25 1995-09-06 AEG Hausgeräte GmbH Vacuum cleaner nozzle
EP0737437A1 (en) * 1995-04-13 1996-10-16 ETABLISSEMENTS GEORGES OLIVIER Société Anonyme dite: Vacuum cleaner nozzle having wheels at the rear
FR2732884A1 (en) * 1995-04-13 1996-10-18 Olivier Ets Georges VACUUM SUCKER WITH REAR WHEELS
FR2748196A1 (en) * 1996-05-01 1997-11-07 Wessel Werk Gmbh SUCTION HEAD FOR VACUUM
EP0858760A1 (en) * 1997-02-14 1998-08-19 Techno Finish GmbH Supporting roller for vacuum cleaner nozzle
EP0860139A1 (en) * 1997-02-21 1998-08-26 Wessel-Werk Gmbh Nozzle for vacuum cleaner
FR2766082A1 (en) * 1997-07-17 1999-01-22 Bosch Siemens Hausgeraete VACUUM CLEANER NOZZLE
EP0898923A1 (en) * 1997-08-30 1999-03-03 Wessel-Werk Gmbh Suction nozzle for vacuum cleaner
WO2002026097A1 (en) * 2000-09-28 2002-04-04 Dyson Limited A floor tool
US7069620B2 (en) 2000-09-28 2006-07-04 Dyson Technology Limited Floor tool
WO2003039315A1 (en) * 2001-11-03 2003-05-15 Dyson Limited A floor tool
AU2002341143B2 (en) * 2001-11-03 2006-10-19 Dyson Technology Limited A floor tool
US7350268B2 (en) 2001-11-03 2008-04-01 Dyson Limited Floor tool
US7367085B2 (en) 2001-11-03 2008-05-06 Dyson Limited Floor tool
CN100391397C (en) * 2001-11-03 2008-06-04 戴森技术有限公司 A floor tool
US7610653B2 (en) 2002-08-09 2009-11-03 Dyson Technology Limited Surface treating appliance
US7757343B2 (en) 2002-08-09 2010-07-20 Dyson Technology Limited Surface treating appliance
US7581284B2 (en) 2002-08-09 2009-09-01 Dyson Technology Limited Surface treating appliance
US7600292B2 (en) 2002-08-09 2009-10-13 Dyson Technology Limited Surface treating appliance
GB2391459A (en) * 2002-08-09 2004-02-11 Dyson Ltd A surface treating appliance with increased manoeuverability
US7581285B2 (en) 2002-08-09 2009-09-01 Dyson Technology Limited Surface treating appliance
US7370390B1 (en) * 2003-02-05 2008-05-13 Muller Albert F Pivot connection for vacuum cleaner nozzle
KR101153256B1 (en) 2004-05-13 2012-06-05 다이슨 테크놀러지 리미티드 An accessory for a cleaning appliance
CN100387177C (en) * 2005-02-28 2008-05-14 松下电器产业株式会社 Electric cleaner sucker and the electric cleaner having the sucker
EP1875846A2 (en) * 2006-07-07 2008-01-09 Wessel-Werk Gmbh Nozzle for floor vacuum cleaner
DE102006031486A1 (en) * 2006-07-07 2008-01-10 Wessel-Werk Gmbh Nozzle for vacuum cleaner
EP1875846A3 (en) * 2006-07-07 2008-06-04 Wessel-Werk Gmbh Nozzle for floor vacuum cleaner
CN101568286B (en) * 2006-12-22 2011-09-14 戴森技术有限公司 A floor tool for surface treating appliance such as vacuum cleaner
US8720004B2 (en) 2006-12-22 2014-05-13 Dyson Technology Limited Floor tool
WO2008078065A1 (en) * 2006-12-22 2008-07-03 Dyson Technology Limited A floor tool has a surface treating appliance such as a vacuum cleaner
US8141203B2 (en) 2006-12-22 2012-03-27 Dyson Technology Limited Floor tool for a surface treating appliance such as a vacuum cleaner
KR101021161B1 (en) * 2006-12-22 2011-03-15 다이슨 테크놀러지 리미티드 A floor tool for a surface treating appliance such as a vacuum cleaner
AU2007337860B2 (en) * 2006-12-22 2011-03-17 Dyson Technology Limited A floor tool for a surface treating appliance such as a vacuum cleaner
AU2007337858B2 (en) * 2006-12-22 2011-03-24 Dyson Technology Limited A floor tool for a surface treating appliance such as a vacuum cleaner
WO2008078063A1 (en) 2006-12-22 2008-07-03 Dyson Technology Limited A floor tool for a surface treating appliance such as a vacuum cleaner
EP2225991A2 (en) 2009-03-03 2010-09-08 Dyson Technology Limited A floor tool
US8214967B2 (en) 2009-03-03 2012-07-10 Dyson Technology Limited Floor tool
EP2225991A3 (en) * 2009-03-03 2013-03-20 Dyson Technology Limited A floor tool
DE202009010089U1 (en) 2009-06-18 2009-11-12 Wessel-Werk Gmbh Floor nozzle for vacuum cleaner
DE102009029806B4 (en) * 2009-06-18 2021-04-15 Wessel-Werk Gmbh Floor nozzle for vacuum cleaner
DE102009029806A1 (en) 2009-06-18 2010-12-23 Wessel-Werk Gmbh Floor nozzle for vacuum cleaner
US9326653B2 (en) 2009-10-15 2016-05-03 Dyson Technology Limited Surface treating appliance
US8429791B2 (en) 2009-10-15 2013-04-30 Dyson Technology Limited Surface treating appliance
US8438699B2 (en) 2009-10-15 2013-05-14 Dyson Technology Limited Surface treating appliance
EP2532291A3 (en) * 2011-06-09 2014-03-26 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle with undercarriage assembly
DE102011077286A1 (en) 2011-06-09 2012-12-13 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle with chassis arrangement
EP2532291A2 (en) 2011-06-09 2012-12-12 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle with undercarriage assembly
WO2013045818A1 (en) * 2011-09-28 2013-04-04 Seb S.A. Vacuum cleaner head
RU2594142C2 (en) * 2011-09-28 2016-08-10 Себ С.А. Vacuum cleaner suction nozzle
US9788696B2 (en) 2011-09-28 2017-10-17 Seb S.A. Vacuum cleaner head
CN103565358A (en) * 2012-07-19 2014-02-12 威赛有限公司 Vacuum cleaner nozzle especially for household vacuum cleaner
CN103565358B (en) * 2012-07-19 2016-07-13 威赛有限公司 Mouth of dust collector
EP3892177A1 (en) * 2020-04-06 2021-10-13 Wessel-Werk GmbH Vacuum cleaner jet
DE102021118096A1 (en) 2021-07-13 2023-01-19 Wessel-Werk Gmbh vacuum cleaner nozzle

Also Published As

Publication number Publication date
DE58902952D1 (en) 1993-01-21
EP0353546B1 (en) 1992-12-09
DE8809802U1 (en) 1989-11-30

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