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EP1449476A2 - Nozzle for smooth surfaces and for textile floor coverings - Google Patents

Nozzle for smooth surfaces and for textile floor coverings Download PDF

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Publication number
EP1449476A2
EP1449476A2 EP04000810A EP04000810A EP1449476A2 EP 1449476 A2 EP1449476 A2 EP 1449476A2 EP 04000810 A EP04000810 A EP 04000810A EP 04000810 A EP04000810 A EP 04000810A EP 1449476 A2 EP1449476 A2 EP 1449476A2
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
seal carrier
sliding sole
cleaner nozzle
upper housing
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
EP04000810A
Other languages
German (de)
French (fr)
Other versions
EP1449476B1 (en
EP1449476A3 (en
Inventor
Dieter Kaffenberger
Thomas Lind
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.)
Wessel Werk GmbH
Original Assignee
Wessel Werk GmbH
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
Priority claimed from DE10312906A external-priority patent/DE10312906B4/en
Application filed by Wessel Werk GmbH filed Critical Wessel Werk GmbH
Publication of EP1449476A2 publication Critical patent/EP1449476A2/en
Publication of EP1449476A3 publication Critical patent/EP1449476A3/en
Application granted granted Critical
Publication of EP1449476B1 publication Critical patent/EP1449476B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

  • Vacuum cleaner nozzle for smooth floors and textile floor coverings with a plastic housing top, a sliding sole with a suction mouth, a seal carrier arranged movably within the upper housing part with at least one strip-shaped sealing element which can be moved in and out on the underside of the nozzle by an actuating movement of the seal carrier, a rocker arm for actuating the seal carrier and return springs acting on the seal carrier, wherein a suction channel is formed on the upper housing part, which has a connecting piece connected to the sliding sole at one end and is designed as a joint shell of a tilting joint at the other end, and wherein the suction mouth consists of a flow channel molded into the sliding sole and extending from a central one , extending into the suction channel opening extending transversely to the suction channel.
  • Vacuum cleaner nozzles of the construction described are from the Known in practice and for example in the US design patent 333 539.
  • the bristle strips or elastomeric strips can be formed in the Retracted interior and the sliding sole lies on the Flooring on. They are used to vacuum smooth floors Sealing elements with an adjusting movement of the Seal carrier extended on the underside of the nozzle and support the upper housing part on the floor.
  • the seal carrier As part of the known measures is often the seal carrier as Metal plate formed vertically in the upper part of the housing is arranged adjustable and by means of a Support plate acting rocker arm against the action of Return springs can be lowered.
  • the invention has the object Basically, a vacuum cleaner nozzle with the ones described above Specify functions that are as simple as possible, can be installed easily and with little material has a high dimensional stability.
  • the object is achieved according to the invention in that that the sliding sole is fastened to the upper housing part by means of plug connections between the peg-shaped projections of the upper housing part and mating elements molded onto the sliding sole and that the seal carrier is rotatably held in a rearward section of the housing upper part in the working direction between integrally formed bearing webs of the housing upper part and the sliding sole and is guided on at least one of the pins formed by the plug connections.
  • the sliding sole is preferably made of plastic. Further is the seal carrier for practical designs expediently guided on two pins through the Plug connections are formed.
  • the return spring can be designed as a torsion spring and for example directly to the seal carrier or the Sliding sole can be molded. According to a preferred Implementation of the invention, however, are separate spring elements z. B. provided in the form of coil springs. In another Design teaches the invention that the seal carrier molded support surfaces for the return springs with one each gripped by a pin Has guide recess and that the return springs on the pin between the sliding sole and the Support surfaces of the seal carrier are arranged.
  • the vacuum cleaner nozzle according to the invention is made up of a few Elements assembled and mountable without screws.
  • the rocker arm, the seal carrier and the Return springs positioned as inserts in the upper part of the housing.
  • the sliding sole with the Locked upper part of the housing The assembly is now complete.
  • the pins formed by plug connections fulfill a multiple function in the subject matter of the invention. On the one hand, they stiffen the housing and give in particular the sliding sole is very stable for use. To the others they form guides for the return springs as well for the pivoting movement of the seal carrier. they are non-destructible no longer.
  • the one with the peg-shaped projections of the upper housing part interacting counter-elements of the sliding sole are appropriate as stubby cylindrical elements with mushroom head educated. Several of these elements are over the surface the sliding sole is distributed. According to a preferred Execution of the invention are additional on the sliding sole Locking projections formed on the connector of the upper housing part and on the wall surfaces of the upper housing part are fixable. They snap into corresponding counter elements on. This gives the sliding sole in these areas additional stability.
  • the seal carrier made of a truss-like molded plastic part, which is a rod with cylindrical bearing surfaces and at least one parallel to it and with the sealing element connected profile strip as a longitudinal beam and arranged on both sides of the suction channel, connecting the side members Has cross member.
  • the bearing the sealing element Profile strip is in front of the connector in the working direction arranged of the suction channel.
  • the seal carrier two has the plastic molding as Side rails stiffening profile strips for connecting Sealing elements, the profile strips in Working direction arranged in front of and behind the suction mouth are.
  • the one connected to the rear profile bar Sealing element is through a slot in the sliding sole is preferably formed in one piece, one or extendable.
  • the Suitable combinations can be attached to the application.
  • the front Profile strip a bristle strip and on the rear profile strip attached a strip of an elastomeric material.
  • the rocker arm suitably consists of a rotatably mounted Shaft, at least one designed as a foot switch Button as well as molded cams that are assigned to an Pressure surface of the seal carrier act, and can also be formed as a molded plastic part.
  • the seal carrier expediently has on both sides of the suction channel each on two crossbeams, the spacing chosen so can be that the kick switch in the free space immersed between adjacent cross beams. Between Cross beams are also useful with the rocker arm interacting pressure surfaces arranged.
  • the vacuum cleaner nozzle shown in the figures is on Smooth floors and textile floor coverings can be used immediately or with the interposition of a flexible Line can be connected to the suction side of a vacuum cleaner.
  • a housing upper part 1 made of plastic
  • a plastic sliding sole 2 with a suction mouth 3 one inside the Upper housing part 1 adjustably arranged seal carrier 4 with at least one strip-shaped sealing element 5 by an actuating movement of the seal carrier 4 can be extended and retracted on the underside of the nozzle
  • a rocker arm 6 consisting of a rotatably mounted Shaft 7, at least one designed as a foot switch 8 Button and molded cams 9, each on a pressure surface 10 of the seal carrier 4 act, and on the seal carrier 4 acting return springs 11.
  • Upper housing part 1 is formed on a suction channel 12 which at one end a connecting piece connected to the sliding sole 2 13 and at the other end as a joint shell 14 of a tilt joint 15 is formed.
  • the suction channel 12 forms a protrusion inside of the upper part of the housing 1 and the sliding sole 2 existing housing.
  • the Suction mouth 3 consists of a molded in the sliding sole 2 Flow channel 16, which extends from a central, in the suction channel 12 opening 17 starting transverse to Suction channel 12 extends.
  • the seal carrier 4 is inside the upper housing part 1 arranged pivotably about an axis 18 and consists of a truss-like molded plastic part, the first Longitudinal member a rod 19 with cylindrical bearing surfaces, z. B. in the form of a continuous wave, and parallel to it two stiffening the truss as additional longitudinal members Profile strips 20, 20 'for connecting sealing elements 5, 5 '.
  • the profile strips 20, 20 ' are in Working direction arranged in front of and behind the suction mouth 3, a bristle strip 5 on the front profile strip 20 and on the rear profile strip 20 'a rubber lip 5' are connected.
  • the bristle strip 5 covers at a pivoting movement of the seal carrier 4 a gap between the sliding sole 2 and the upper housing part 1.
  • the Sealing lip 5 ' is in one piece through a slot in the trained sliding sole 2 retractable and extendable.
  • the one with cylindrical bearing surfaces z. B. trained as a shaft Rod 19 is in a backward direction Section of the upper housing part 1 between the sliding sole 2 and integrally formed bearing webs 21 of the upper housing part 1 rotatably held.
  • the longitudinal beams 19, 20, 20 ' are connected by integral cross-members 22 which are arranged on both sides of the suction channel 12.
  • the sliding sole 2 is not on the upper housing part 1
  • the counter elements 25 are stub-shaped cylindrical elements with mushroom head trained (Fig. 6).
  • the seal carrier 4 is on two of these by plug connections 23 formed pin guided and molded Support surfaces 26 for the return springs 11 each a guide recess surrounded by the associated pin 27 on. From Fig. 2 it can be seen that the return springs 11 on that formed by the elements 24, 25 Pin between the sliding sole 2 and the support surfaces 26 of the seal carrier 4 are arranged.
  • the through plug connections 23 cones formed stiffen this from the Sliding sole 2 and the upper housing part 1 existing housing the vacuum cleaner nozzle and stabilize the sliding sole 2.
  • a majority of the counter-elements 25 are on a flat surface Section of the sliding sole 2, which is in the working direction connects behind the suction mouth 3, arranged.
  • FIG. 1 From a comparative view, in particular of FIG. 1, 5 and 6 also show that the suction channel 12 mouth opening 17 of the sliding sole 2 of molded Protrusions 29 is surrounded, which in the connector 13th of the suction channel 12 engage and the transition between the Suction mouth 3 of the sliding sole 2 and the suction channel 12 of the Seal upper housing part 1 against external air.
  • the seal carrier has on both sides of the suction channel 12 each have two cross members 22, the distance between them is such that the foot switch 8 in immerses the space between adjacent cross members 22. Between the cross members 22 are also with the Rocker arm 6 cooperating pressure surfaces 10 arranged.
  • the sliding sole 2 has in front of and behind the suction mouth 3 Wells in the thread lifter strips 30, z. B. from Slanted bristle velours are glued in. Furthermore one removes 4 that the tilt joint 15 is a continuous Has shaft axis 31, at the ends of impellers 32 attached are.
  • the upper housing part 1, the plastic sliding sole 2, the Seal carrier 4 and the rocker arm 6 are in one piece Plastic molded parts that are inexpensive by injection molding can be produced and without machining be used. During assembly, the rocker arm 6, the seal carrier 4 and the return springs 11 within the upper housing part 1 positioned. Then will the plastic sliding sole 2 with the upper housing part 1 locked.
  • the vacuum cleaner nozzle contains no screws and can be done using fully automated assembly lines can be manufactured inexpensively.

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

Abstract

The plastic housing (1) has a lever (8) which operates to lower one or two strip elastomeric or brush seals (5,5') against compression springs (11) acting on a carrier for the seals, (20) for the forward seal (5) and (20') for the other within the sole plate (2).

Description

Staubsaugerdüse für Glattböden und textile Bodenbeläge mit
   einem Gehäuseoberteil aus Kunststoff,
   einer Gleitsohle mit einem Saugmund,
   einem innerhalb des Gehäuseoberteils verstellbeweglich angeordneten Dichtungsträger mit mindestens einem streifenförmigen Dichtungselement, das durch eine Stellbewegung des Dichtungsträgers an der Düsenunterseite ein- und ausfahrbar ist,
   einem Kipphebel zur Betätigung des Dichtungsträgers und
   auf den Dichtungsträger wirkenden Rückstellfedern,
wobei an das Gehäuseoberteil ein Saugkanal angeformt ist, der an einem Ende ein mit der Gleitsohle verbundenes Anschlussstück aufweist und an dem anderen Ende als Gelenkschale eines Kippgelenkes ausgebildet ist, und wobei der Saugmund aus einem in die Gleitsohle eingeformten Strömungskanal besteht, der sich von einer mittigen, in den Saugkanal mündenden Öffnung ausgehend quer zum Saugkanal erstreckt.Vacuum cleaner nozzle for smooth floors and textile floor coverings with
a plastic housing top,
a sliding sole with a suction mouth,
a seal carrier arranged movably within the upper housing part with at least one strip-shaped sealing element which can be moved in and out on the underside of the nozzle by an actuating movement of the seal carrier,
a rocker arm for actuating the seal carrier and
return springs acting on the seal carrier,
wherein a suction channel is formed on the upper housing part, which has a connecting piece connected to the sliding sole at one end and is designed as a joint shell of a tilting joint at the other end, and wherein the suction mouth consists of a flow channel molded into the sliding sole and extending from a central one , extending into the suction channel opening extending transversely to the suction channel.

Staubsaugerdüsen des beschriebenen Aufbaus sind aus der Praxis bekannt und beispielsweise im US-Design-Patent 333 539 dargestellt. Beim Saugen textiler Bodenbeläge sind die Dichtungselemente, die als Borstenstreifen oder elastomere Streifen ausgebildet sein können, in das Gehäuseinnere eingefahren und liegt die Gleitsohle auf dem Bodenbelag auf. Zum Saugen glatter Böden werden die Dichtungselemente mit einer Stellbewegung des Dichtungsträgers an der Unterseite der Düse ausgefahren und stützen das Gehäuseoberteil auf dem Boden ab. Im Rahmen der bekannten Maßnahmen ist der Dichtungsträger oft als Metallplatte ausgebildet, die im Gehäuseoberteil vertikal verstellbar angeordnet ist und mittels eines auf die Trägerplatte wirkenden Kipphebels gegen die Wirkung von Rückstellfedern absenkbar ist. Auch eine schwenkbewegliche Lagerung des Trägers um eine gehäusefeste Schwenkachse, die innerhalb des Gehäuseoberteils an einem rückwärtigen Abschnitt angeordnet ist, ist an sich bekannt (DE 197 38 046 A1). An den als Schwinge ausgebildeten Dichtungsträger ist ein Borstenstreifen angeschlossen, der bei einer Schwenkbewegung des Dichtungsträgers einen Spalt zwischen der Gleitsohle und dem Gehäuseoberteil durchfasst.Vacuum cleaner nozzles of the construction described are from the Known in practice and for example in the US design patent 333 539. When vacuuming textile floor coverings the sealing elements, the bristle strips or elastomeric strips can be formed in the Retracted interior and the sliding sole lies on the Flooring on. They are used to vacuum smooth floors Sealing elements with an adjusting movement of the Seal carrier extended on the underside of the nozzle and support the upper housing part on the floor. As part of the known measures is often the seal carrier as Metal plate formed vertically in the upper part of the housing is arranged adjustable and by means of a Support plate acting rocker arm against the action of Return springs can be lowered. Also a swiveling one Storage of the carrier around a pivot axis fixed to the housing on a rear inside the upper part of the housing Section is arranged is known per se (DE 197 38 046 A1). On the seal carrier designed as a rocker is connected to a bristle strip, which at a Pivotal movement of the seal carrier a gap between the sliding sole and the upper part of the housing.

Beim Betrieb der Staubsaugerdüse werden große Kräfte auf den Dichtungsträger ausgeübt, die vom Gehäuse aufgenommen werden müssen. Sowohl der Dichtungsträger als auch das aus Gleitsohle und Gehäuseoberteil gebildete Gehäuse müssen eine hohe Formstabilität besitzen. Dabei ist zu berücksichtigen, dass Staubsaugerdüsen als Massenprodukte kostengünstig auf modernen Montageautomaten gefertigt werden müssen. Um die Fertigungskosten zu reduzieren, sollten sie aus möglichst wenig Teilen aufgebaut sein, die mit einem Minimum an Montageschritten montiert werden können. Large forces are exerted when the vacuum cleaner nozzle is operated exercised the seal carrier, which is absorbed by the housing Need to become. Both the seal carrier and that from The sliding sole and the upper part of the housing must be formed have high dimensional stability. It must be taken into account that vacuum cleaner nozzles are inexpensive as mass products be manufactured on modern assembly machines have to. To reduce manufacturing costs, they should be made up of as few parts as possible, that with one Minimum assembly steps can be installed.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zu Grunde, eine Staubsaugerdüse mit den eingangs beschriebenen Funktionen anzugeben, die möglichst einfach aufgebaut ist, leicht montiert werden kann und bei geringem Materialeinsatz eine hohe Formstabilität besitzt.Against this background, the invention has the object Basically, a vacuum cleaner nozzle with the ones described above Specify functions that are as simple as possible, can be installed easily and with little material has a high dimensional stability.

Ausgehend von einer Staubsaugerdüse mit den eingangs beschriebenen Merkmalen wird die Aufgabe erfindungsgemäß dadurch gelöst,
   dass die Gleitsohle an dem Gehäuseoberteil durch Steckverbindungen zwischen zapfenförmigen Vorsprüngen des Gehäuseoberteils und an die Gleitsohle angeformten Gegenelementen befestigt ist und
   dass der Dichtungsträger in einem in Arbeitsrichtung rückwärtigen Abschnitt des Gehäuseoberteils zwischen angeformten Lagerstegen des Gehäuseoberteils und der Gleitsohle drehbeweglich gehalten sowie an zumindest einem der durch die Steckverbindungen gebildeten Zapfen geführt ist.Starting from a vacuum cleaner nozzle with the features described in the introduction, the object is achieved according to the invention in that
that the sliding sole is fastened to the upper housing part by means of plug connections between the peg-shaped projections of the upper housing part and mating elements molded onto the sliding sole and
that the seal carrier is rotatably held in a rearward section of the housing upper part in the working direction between integrally formed bearing webs of the housing upper part and the sliding sole and is guided on at least one of the pins formed by the plug connections.

Die Gleitsohle besteht vorzugsweise aus Kunststoff. Ferner ist der Dichtungsträger bei praxisgerechten Ausführungen zweckmäßig an zwei Zapfen geführt, die durch die Steckverbindungen gebildet werden.The sliding sole is preferably made of plastic. Further is the seal carrier for practical designs expediently guided on two pins through the Plug connections are formed.

Die Rückstellfeder kann als Torsionsfeder ausgeführt werden und beispielsweise direkt an den Dichtungsträger oder die Gleitsohle angeformt werden. Gemäß einer bevorzugten Ausführung der Erfindung sind jedoch separate Federelemente z. B. in Form von Schraubenfedern vorgesehen. In weiterer Ausgestaltung lehrt die Erfindung, dass der Dichtungsträger angeformte Abstützflächen für die Rückstellfedern mit jeweils einer von einem Zapfen durchfassten Führungsausnehmung aufweist und dass die Rückstellfedern auf den Zapfen zwischen der Gleitsohle und den Abstützflächen des Dichtungsträgers angeordnet sind.The return spring can be designed as a torsion spring and for example directly to the seal carrier or the Sliding sole can be molded. According to a preferred Implementation of the invention, however, are separate spring elements z. B. provided in the form of coil springs. In another Design teaches the invention that the seal carrier molded support surfaces for the return springs with one each gripped by a pin Has guide recess and that the return springs on the pin between the sliding sole and the Support surfaces of the seal carrier are arranged.

Die erfindungsgemäße Staubsaugerdüse ist aus wenigen Elementen aufgebaut und ohne Schrauben montierbar. Bei der Montage werden der Kipphebel, der Dichtungsträger sowie die Rückstellfedern als Einlegeteile im Gehäuseoberteil positioniert. Anschließend wird die Gleitsohle mit dem Gehäuseoberteil verrastet. Damit ist die Montage abgeschlossen. Die durch Steckverbindungen gebildeten Zapfen erfüllen beim Erfindungsgegenstand eine mehrfache Funktion. Zum einen versteifen sie das Gehäuse und geben insbesondere der Gleitsohle eine für den Gebrauch hohe Stabilität. Zum anderen bilden sie Führungen für die Rückstellfedern sowie für die Schwenkbewegung des Dichtungsträgers. Sie sind zerstörungsfrei nicht mehr lösbar.The vacuum cleaner nozzle according to the invention is made up of a few Elements assembled and mountable without screws. In the The rocker arm, the seal carrier and the Return springs positioned as inserts in the upper part of the housing. Then the sliding sole with the Locked upper part of the housing. The assembly is now complete. The pins formed by plug connections fulfill a multiple function in the subject matter of the invention. On the one hand, they stiffen the housing and give in particular the sliding sole is very stable for use. To the others they form guides for the return springs as well for the pivoting movement of the seal carrier. they are non-destructible no longer.

Die mit den zapfenförmigen Vorsprüngen des Gehäuseoberteils zusammenwirkenden Gegenelemente der Gleitsohle sind zweckmäßig als stummelförmige zylindrische Elemente mit Pilzkopf ausgebildet. Mehrere dieser Elemente sind über die Fläche der Gleitsohle verteilt angeordnet. Gemäß einer bevorzugten Ausführung der Erfindung sind an der Gleitsohle zusätzlich Rastvorsprünge angeformt, die an dem Anschlussstück des Gehäuseoberteils und an den Wandflächen des Gehäuseoberteils fixierbar sind. Sie schnappen in entsprechende Gegenelemente ein. Dadurch erhält die Gleitsohle in diesen Bereichen zusätzliche Stabilität.The one with the peg-shaped projections of the upper housing part interacting counter-elements of the sliding sole are appropriate as stubby cylindrical elements with mushroom head educated. Several of these elements are over the surface the sliding sole is distributed. According to a preferred Execution of the invention are additional on the sliding sole Locking projections formed on the connector of the upper housing part and on the wall surfaces of the upper housing part are fixable. They snap into corresponding counter elements on. This gives the sliding sole in these areas additional stability.

Gemäß einer bevorzugten Ausführung der Erfindung besteht der Dichtungsträger aus einem fachwerkartigen Kunststoffformteil, welches einen Stab mit zylindrischen Lagerflächen und mindestens eine dazu parallele sowie mit dem Dichtungselement verbundene Profilleiste als Längsträger und beidseitig des Saugkanals angeordnete, die Längsträger verbindende Querträger aufweist. Die das Dichtungselement tragende Profilleiste ist in Arbeitsrichtung vor dem Anschlussstück des Saugkanals angeordnet.According to a preferred embodiment of the invention the seal carrier made of a truss-like molded plastic part, which is a rod with cylindrical bearing surfaces and at least one parallel to it and with the sealing element connected profile strip as a longitudinal beam and arranged on both sides of the suction channel, connecting the side members Has cross member. The bearing the sealing element Profile strip is in front of the connector in the working direction arranged of the suction channel.

Gemäß einer besonders bevorzugten Ausführung der Erfindung weist der Dichtungsträger zwei das Kunststoffformteil als Längsträger versteifende Profilleisten zum Anschluss von Dichtungselementen auf, wobei die Profilleisten in Arbeitsrichtung vor und hinter dem Saugmund angeordnet sind. Das an die hintere Profilleiste angeschlossene Dichtungselement ist durch ein Schlitz der Gleitsohle, die vorzugsweise einteilig ausgebildet ist, ein- oder ausfahrbar.According to a particularly preferred embodiment of the invention the seal carrier two has the plastic molding as Side rails stiffening profile strips for connecting Sealing elements, the profile strips in Working direction arranged in front of and behind the suction mouth are. The one connected to the rear profile bar Sealing element is through a slot in the sliding sole is preferably formed in one piece, one or extendable.

An die Profilleisten des Dichtungsträgers können Borstenstreifen, Gummilippen, formstabile Kunststoffstreifen, Schaumstoffstreifen und dergleichen in beliebigen, dem Anwendungsfall angepassten Kombinationen befestigt werden. Gemäß einer bevorzugten Ausführung sind an die vordere Profilleiste ein Borstenstreifen und an die hintere Profilleiste ein Streifen aus einem elastomeren Material angeschlossen.Bristle strips, Rubber lips, dimensionally stable plastic strips, Foam strips and the like in any, the Suitable combinations can be attached to the application. According to a preferred embodiment, the front Profile strip a bristle strip and on the rear profile strip attached a strip of an elastomeric material.

Der Kipphebel besteht zweckmäßig aus einer drehbar gelagerten Welle, mindestens einer als Trittschalter ausgebildeten Schaltfläche sowie angeformten Nocken, die auf eine zugeordnete Druckfläche des Dichtungsträgers wirken, und kann ebenfalls als Kunststoffformteil ausgebildet sein.The rocker arm suitably consists of a rotatably mounted Shaft, at least one designed as a foot switch Button as well as molded cams that are assigned to an Pressure surface of the seal carrier act, and can also be formed as a molded plastic part.

Der Dichtungsträger weist zweckmäßig beidseits des Saugkanals jeweils zwei Querträger auf, deren Abstand so gewählt werden kann, dass der Trittschalter in den Freiraum zwischen benachbarten Querträgern eintaucht. Zwischen den Querträgern sind zweckmäßig auch die mit dem Kipphebel zusammenwirkenden Druckflächen angeordnet.The seal carrier expediently has on both sides of the suction channel each on two crossbeams, the spacing chosen so can be that the kick switch in the free space immersed between adjacent cross beams. Between Cross beams are also useful with the rocker arm interacting pressure surfaces arranged.

Weitere Ausgestaltungen der erfindungsgemäßen Staubsaugerdüse sind Gegenstand der nachgeordneten Ansprüche 11 bis 13 und werden im Folgenden anhand eines Ausführungsbeispiels erläutert. Es zeigen schematisch:

Fig. 1
eine Vorderansicht der erfindungsgemäßen Staubsaugerdüse im Schnitt,
Fig. 2
einen Längsschnitt durch den Gegenstand der Fig. 1 in der Schnittebene A-A,
Fig. 3
den Schnitt B-B aus Fig. 1,
Fig. 4
eine Explosionsdarstellung der erfindungsgemäßen Staubsaugerdüse,
Fig. 5
eine Einzelteilzeichnung der Gleitsohle in einer gegenüber Fig. 4 vergrößerten Darstellung,
Fig. 6
den Schnitt C-C aus Fig. 5,
Fig. 7
eine Innenansicht des Gehäuseoberteils der Staubsaugerdüse,
Fig. 8
eine Einzelteilzeichnung des Dichtungsträgers in einer gegenüber Fig. 4 vergrößerten Darstellung.
Further refinements of the vacuum cleaner nozzle according to the invention are the subject of subordinate claims 11 to 13 and are explained below on the basis of an exemplary embodiment. They show schematically:
Fig. 1
a front view of the vacuum cleaner nozzle according to the invention in section,
Fig. 2
2 shows a longitudinal section through the object of FIG. 1 in the section plane AA,
Fig. 3
the section BB from Fig. 1,
Fig. 4
an exploded view of the vacuum cleaner nozzle according to the invention,
Fig. 5
4 shows an individual drawing of the sliding sole in an enlarged view compared to FIG.
Fig. 6
the section CC of Fig. 5,
Fig. 7
an interior view of the upper part of the housing of the vacuum cleaner nozzle,
Fig. 8
an individual drawing of the seal carrier in an enlarged view compared to FIG. 4.

Die in den Figuren dargestellte Staubsaugerdüse ist auf Glattböden und textilen Bodenbelägen einsetzbar und unmittelbar oder unter Zwischenschaltung einer flexiblen Leitung an der Saugseite eines Staubsaugergerätes anschließbar. Zum grundsätzlichen Aufbau der Staubsaugerdüse gehören ein Gehäuseoberteil 1 aus Kunststoff, eine Kunststoff-Gleitsohle 2 mit einem Saugmund 3, ein innerhalb des Gehäuseoberteils 1 verstellbeweglich angeordneter Dichtungsträger 4 mit mindestens einem streifenförmigen Dichtungselement 5, das durch eine Stellbewegung des Dichtungsträgers 4 an der Düsenunterseite ein- und ausfahrbar ist, ein Kipphebel 6 bestehend aus einer drehbar gelagerten Welle 7, mindestens einer als Trittschalter 8 ausgebildeten Schaltfläche sowie angeformten Nocken 9, die jeweils auf eine Druckfläche 10 des Dichtungsträgers 4 wirken, und auf den Dichtungsträger 4 wirkende Rückstellfedern 11. An das Gehäuseoberteil 1 ist ein Saugkanal 12 angeformt, der an einem Ende ein mit der Gleitsohle 2 verbundenes Anschlussstück 13 aufweist und an dem anderen Ende als Gelenkschale 14 eines Kippgelenkes 15 ausgebildet ist. Der Saugkanal 12 bildet einen Vorsprung im Innern des aus dem Gehäuseoberteil 1 und der Gleitsohle 2 bestehenden Gehäuses. Der Saugmund 3 besteht aus einem in die Gleitsohle 2 eingeformten Strömungskanal 16, der sich von einer mittigen, in den Saugkanal 12 mündenden Öffnung 17 ausgehend quer zum Saugkanal 12 erstreckt.The vacuum cleaner nozzle shown in the figures is on Smooth floors and textile floor coverings can be used immediately or with the interposition of a flexible Line can be connected to the suction side of a vacuum cleaner. For the basic structure of the vacuum cleaner nozzle include a housing upper part 1 made of plastic, a plastic sliding sole 2 with a suction mouth 3, one inside the Upper housing part 1 adjustably arranged seal carrier 4 with at least one strip-shaped sealing element 5 by an actuating movement of the seal carrier 4 can be extended and retracted on the underside of the nozzle, a rocker arm 6 consisting of a rotatably mounted Shaft 7, at least one designed as a foot switch 8 Button and molded cams 9, each on a pressure surface 10 of the seal carrier 4 act, and on the seal carrier 4 acting return springs 11. To that Upper housing part 1 is formed on a suction channel 12 which at one end a connecting piece connected to the sliding sole 2 13 and at the other end as a joint shell 14 of a tilt joint 15 is formed. The suction channel 12 forms a protrusion inside of the upper part of the housing 1 and the sliding sole 2 existing housing. The Suction mouth 3 consists of a molded in the sliding sole 2 Flow channel 16, which extends from a central, in the suction channel 12 opening 17 starting transverse to Suction channel 12 extends.

Der Dichtungsträger 4 ist innerhalb des Gehäuseoberteils 1 um eine Achse 18 verschwenkbar angeordnet und besteht aus einem fachwerkartigen Kunststoffformteil, das als ersten Längsträger einen Stab 19 mit zylindrischen Lagerflächen, z. B. in Form einer durchgehenden Welle, und parallel dazu zwei das Fachwerk als weitere Längsträger versteifende Profilleisten 20, 20' zum Anschluss von Dichtungselementen 5, 5' aufweist. Die Profilleisten 20, 20' sind in Arbeitsrichtung vor und hinter dem Saugmund 3 angeordnet, wobei an die vordere Profilleiste 20 ein Borstenstreifen 5 und an die hintere Profilleiste 20' eine Gummilippe 5' angeschlossen sind. Der Borstenstreifen 5 durchfasst bei einer Schwenkbewegung des Dichtungsträgers 4 einen Spalt zwischen der Gleitsohle 2 und dem Gehäuseoberteil 1. Die Dichtungslippe 5' ist durch einen Schlitz in der einteilig ausgebildeten Gleitsohle 2 ein- und ausfahrbar. Der mit zylindrischen Lagerflächen z. B. als Welle ausgebildete Stab 19 ist in einem in Arbeitsrichtung rückwärtigen Abschnitt des Gehäuseoberteils 1 zwischen der Gleitsohle 2 und angeformten Lagerstegen 21 des Gehäuseoberteils 1 drehbeweglich gehalten. Die Längsträger 19, 20, 20' sind durch anteilig angeformte Querträger 22 verbunden, die beiderseits des Saugkanals 12 angeordnet sind. The seal carrier 4 is inside the upper housing part 1 arranged pivotably about an axis 18 and consists of a truss-like molded plastic part, the first Longitudinal member a rod 19 with cylindrical bearing surfaces, z. B. in the form of a continuous wave, and parallel to it two stiffening the truss as additional longitudinal members Profile strips 20, 20 'for connecting sealing elements 5, 5 '. The profile strips 20, 20 'are in Working direction arranged in front of and behind the suction mouth 3, a bristle strip 5 on the front profile strip 20 and on the rear profile strip 20 'a rubber lip 5' are connected. The bristle strip 5 covers at a pivoting movement of the seal carrier 4 a gap between the sliding sole 2 and the upper housing part 1. The Sealing lip 5 'is in one piece through a slot in the trained sliding sole 2 retractable and extendable. The one with cylindrical bearing surfaces z. B. trained as a shaft Rod 19 is in a backward direction Section of the upper housing part 1 between the sliding sole 2 and integrally formed bearing webs 21 of the upper housing part 1 rotatably held. The longitudinal beams 19, 20, 20 'are connected by integral cross-members 22 which are arranged on both sides of the suction channel 12.

Die Gleitsohle 2 ist an dem Gehäuseoberteil 1 durch nicht lösbare Steckverbindungen 23 zwischen zapfenförmigen Vorsprüngen 24 des Gehäuseoberteils und an die Gleitsohle angeformten Gegenelementen 25 befestigt. Die Gegenelemente 25 sind als stummelförmige zylindrische Elemente mit Pilzkopf ausgebildet (Fig. 6).The sliding sole 2 is not on the upper housing part 1 Detachable plug connections 23 between pin-shaped projections 24 of the upper part of the housing and to the sliding sole molded counter elements 25 attached. The counter elements 25 are stub-shaped cylindrical elements with mushroom head trained (Fig. 6).

Der Dichtungsträger 4 ist an zwei dieser durch Steckverbindungen 23 gebildeten Zapfen geführt und weist angeformte Abstützflächen 26 für die Rückstellfedern 11 mit jeweils einer von dem zugeordneten Zapfen durchfassten Führungsausnehmung 27 auf. Aus Fig. 2 geht hervor, dass die Rückstellfedern 11 auf den von den Elementen 24, 25 gebildeten Zapfen zwischen der Gleitsohle 2 und den Abstützflächen 26 des Dichtungsträgers 4 angeordnet sind. Die durch Steckverbindungen 23 gebildeten Zapfen versteifen das aus der Gleitsohle 2 und dem Gehäuseoberteil 1 bestehende Gehäuse der Staubsaugerdüse und stabilisieren die Gleitsohle 2. Eine Mehrzahl der Gegenelemente 25 sind an einem flächigen Abschnitt der Gleitsohle 2, der sich in Arbeitsrichtung hinter dem Saugmund 3 anschließt, angeordnet. Zusätzlich sind an der Gleitsohle 2 Rastvorsprünge 28, 28' angeformt, die an dem Anschlussstück 13 des Gehäuseoberteils und an Wandflächen des Gehäuseoberteils 1 fixierbar sind (Fig. 1). Aus einer vergleichenden Betrachtung insbesondere der Fig. 1, 5 und 6 geht ferner hervor, dass die in die Saugkanal 12 mündende Öffnung 17 der Gleitsohle 2 von angeformten Vorsprüngen 29 umgeben ist, die in das Anschlussstück 13 des Saugkanals 12 eingreifen und den Übergang zwischen dem Saugmund 3 der Gleitsohle 2 und dem Saugkanal 12 des Gehäuseoberteils 1 gegen Fremdluft abdichten.The seal carrier 4 is on two of these by plug connections 23 formed pin guided and molded Support surfaces 26 for the return springs 11 each a guide recess surrounded by the associated pin 27 on. From Fig. 2 it can be seen that the return springs 11 on that formed by the elements 24, 25 Pin between the sliding sole 2 and the support surfaces 26 of the seal carrier 4 are arranged. The through plug connections 23 cones formed stiffen this from the Sliding sole 2 and the upper housing part 1 existing housing the vacuum cleaner nozzle and stabilize the sliding sole 2. A majority of the counter-elements 25 are on a flat surface Section of the sliding sole 2, which is in the working direction connects behind the suction mouth 3, arranged. additionally are formed on the sliding sole 2 locking projections 28, 28 ', the on the connector 13 of the upper housing part and Wall surfaces of the upper housing part 1 are fixable (Fig. 1). From a comparative view, in particular of FIG. 1, 5 and 6 also show that the suction channel 12 mouth opening 17 of the sliding sole 2 of molded Protrusions 29 is surrounded, which in the connector 13th of the suction channel 12 engage and the transition between the Suction mouth 3 of the sliding sole 2 and the suction channel 12 of the Seal upper housing part 1 against external air.

Im Ausführungsbeispiel weist der Dichtungsträger beiderseits des Saugkanals 12 jeweils zwei Querträger 22 auf, deren Abstand so bemessen ist, dass der Trittschalter 8 in den Freiraum zwischen benachbarten Querträgern 22 eintaucht. Zwischen den Querträgern 22 sind auch die mit dem Kipphebel 6 zusammenwirkenden Druckflächen 10 angeordnet.In the exemplary embodiment, the seal carrier has on both sides of the suction channel 12 each have two cross members 22, the distance between them is such that the foot switch 8 in immerses the space between adjacent cross members 22. Between the cross members 22 are also with the Rocker arm 6 cooperating pressure surfaces 10 arranged.

Die Gleitsohle 2 weist vor und hinter dem Saugmund 3 Vertiefungen auf, in die Fadenheberstreifen 30, z. B. aus Schrägborstenvelours eingeklebt sind. Ferner entnimmt man der Fig. 4, dass das Kippgelenk 15 eine durchgehende Wellenachse 31 aufweist, an deren Enden Laufräder 32 aufgesteckt sind.The sliding sole 2 has in front of and behind the suction mouth 3 Wells in the thread lifter strips 30, z. B. from Slanted bristle velours are glued in. Furthermore one removes 4 that the tilt joint 15 is a continuous Has shaft axis 31, at the ends of impellers 32 attached are.

Das Gehäuseoberteil 1, die Kunststoffgleitsohle 2, der Dichtungsträger 4 sowie der Kipphebel 6 sind einstückige Kunststoffformteile, die im Spritzgussverfahren kostengünstig herstellbar sind und ohne spanende Bearbeitung verwendet werden. Bei der Montage werden der Kipphebel 6, der Dichtungsträger 4 sowie die Rückstellfedern 11 innerhalb des Gehäuseoberteils 1 positioniert. Anschließend wird die Kunststoff-Gleitsohle 2 mit dem Gehäuseoberteil 1 verrastet. Die Staubsaugerdüse enthält keine Schrauben und kann unter Verwendung vollautomatischer Montageanlagen kostengünstig gefertigt werden.The upper housing part 1, the plastic sliding sole 2, the Seal carrier 4 and the rocker arm 6 are in one piece Plastic molded parts that are inexpensive by injection molding can be produced and without machining be used. During assembly, the rocker arm 6, the seal carrier 4 and the return springs 11 within the upper housing part 1 positioned. Then will the plastic sliding sole 2 with the upper housing part 1 locked. The vacuum cleaner nozzle contains no screws and can be done using fully automated assembly lines can be manufactured inexpensively.

Claims (13)

Staubsaugerdüse für Glattböden und textile Bodenbeläge mit
   einem Gehäuseoberteil (1) aus Kunststoff,
   einer Gleitsohle (2) mit einem Saugmund (3),
   einem innerhalb des Gehäuseoberteils (1) verstellbeweglich angeordneten Dichtungsträger (4) mit mindestens einem streifenförmigen Dichtungselement (5), das durch eine Stellbewegung des Dichtungsträgers (4) an der Düsenunterseite ein- und ausfahrbar ist,
   einem Kipphebel (6) zur Betätigung des Dichtungsträgers (4) und
   mindestens einer auf den Dichtungsträger (4) wirkenden Rückstellfeder (11),
wobei an das Gehäuseoberteil (1) ein Saugkanal (12) angeformt ist, der an einem Ende ein mit der Gleitsohle (2) verbundenes Anschlussstück (13) aufweist und an dem anderen Ende als Gelenkschale (14) eines Kippgelenkes (15) ausgebildet ist, und wobei der Saugmund (3) aus einem in die Gleitsohle (2) eingeformten Strömungskanal (16) besteht, der sich von einer mittigen, in den Saugkanal (12) mündenden Öffnung (17) ausgehend quer zum Saugkanal (12) erstreckt, dadurch gekennzeichnet,    dass die Gleitsohle (2) an dem Gehäuseoberteil (1) durch Steckverbindungen (23) zwischen zapfenförmigen Vorsprüngen (24) des Gehäuseoberteils und an die Gleitsohle angeformten Gegenelementen (25) befestigt ist und
   dass der Dichtungsträger (4) in einem in Arbeitsrichtung rückwärtigen Abschnitt des Gehäuseoberteils (1) zwischen angeformten Lagerstegen (21) des Gehäuseoberteils (1) und der Gleitsohle (2) drehbeweglich gehalten, sowie an zumindest einem der durch die Steckverbindungen (23) gebildeten Zapfen geführt ist.Vacuum cleaner nozzle for smooth floors and textile floor coverings with
an upper housing part (1) made of plastic,
a sliding sole (2) with a suction mouth (3),
a seal carrier (4) which is arranged to be adjustable within the upper housing part (1) and has at least one strip-shaped sealing element (5) which can be moved in and out on the underside of the nozzle by an actuating movement of the seal carrier (4),
a rocker arm (6) for actuating the seal carrier (4) and
at least one return spring (11) acting on the seal carrier (4),
A suction channel (12) is formed on the upper housing part (1), which has a connecting piece (13) connected to the sliding sole (2) at one end and is designed as a joint shell (14) of a tilting joint (15) at the other end. and wherein the suction orifice (3) consists of a molded into the sole (2) flow channel (16) extending from a center, in the suction duct (12) opens the opening (17) transverse to the suction channel (12), characterized that the sliding sole (2) is fastened to the upper housing part (1) by plug connections (23) between peg-shaped projections (24) of the upper housing part and counter elements (25) molded onto the sliding sole and
that the seal carrier (4) is rotatably held in a section of the upper housing part (1) rearward in the working direction between integrally formed bearing webs (21) of the upper housing part (1) and the sliding sole (2), and on at least one of the pins formed by the plug connections (23) is led. Staubsaugerdüse nach Anspruch 1, dadurch gekennzeichnet, dass der Dichtungsträger (4) angeformte Abstützflächen (26) für die Rückstellfedern (11) jeweils einer von dem zugeordneten Zapfen durchfassten Führungsausnehmung (27) aufweist, dass die Rückstellfedern (11) auf den Zapfen zwischen der Gleitsohle (2) und den Abstützflächen (26) des Dichtungsträgers (4) angeordnet sind.Vacuum cleaner nozzle according to claim 1, characterized in that the seal carrier (4) has molded-on support surfaces (26) for the return springs (11) each having a guide recess (27) encompassed by the associated pin, that the return springs (11) on the pin between the sliding sole (2) and the support surfaces (26) of the seal carrier (4) are arranged. Staubsaugerdüse nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die mit den zapfenförmigen Vorsprüngen (24) des Gehäuseoberteils zusammenwirkenden Gegenelemente (25) der Gleitsohle als stummelförmige, zylindrische Elemente mit Pilzkopf ausgebildet sind.Vacuum cleaner nozzle according to claim 1 or 2, characterized in that the counter-elements (25) of the sliding sole which cooperate with the peg-shaped projections (24) of the upper housing part are designed as stub-shaped, cylindrical elements with a mushroom head. Staubsaugerdüse nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass an der Gleitsohle (2) zusätzliche Rastvorsprünge (28, 28') angeformt sind, die an dem Anschlussstück (13) des Gehäuseoberteils (1) und an Wandflächen des Gehäuseoberteils (1) fixierbar sind.Vacuum cleaner nozzle according to one of claims 1 to 3, characterized in that additional latching projections (28, 28 ') are formed on the sliding sole (2), which on the connecting piece (13) of the upper housing part (1) and on wall surfaces of the upper housing part (1) are fixable. Staubsaugerdüse nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Dichtungsträger (4) aus einem fachwerkartigen Kunststoffformteil besteht, welches einen Stab (19) mit zylindrischen Lagerflächen und mindestens eine dazu parallele sowie mit dem Dichtungselement (5) verbundene Profilleiste (20) als Längsträger und beidseits des Saugkanals (12) angeordnete, die Längsträger (19, 20) verbindende Querträger (22) aufweist, wobei die das Dichtungselement tragende Profilleiste (20) in Arbeitsrichtung vor dem Anschlussstück (13) des Saugkanals (12) angeordnet ist.Vacuum cleaner nozzle according to one of claims 1 to 4, characterized in that the seal carrier (4) consists of a truss-like molded plastic part which has a rod (19) with cylindrical bearing surfaces and at least one profile strip (20) parallel to it and connected to the sealing element (5). has cross members (22) arranged as longitudinal members and on both sides of the suction channel (12), connecting the longitudinal members (19, 20), the profile strip (20) carrying the sealing element being arranged in the working direction in front of the connecting piece (13) of the suction channel (12). Staubsaugerdüse nach Anspruch 5, dadurch gekennzeichnet, dass der Dichtungsträgers (4) zwei das Kunststoffformteil als Längsträger versteifende Profilleisten (20, 20') zum Anschluss von Dichtungselementen (5, 5') aufweist, wobei die Profilleisten (20, 20') in Arbeitsrichtung vor und hinter dem Saugmund (3) angeordnet sind.Vacuum cleaner nozzle according to claim 5, characterized in that the seal carrier (4) has two profile strips (20, 20 ') stiffening the plastic molded part as longitudinal members for connecting sealing elements (5, 5'), the profile strips (20, 20 ') in the working direction are arranged in front of and behind the suction mouth (3). Staubsaugerdüse nach Anspruch 6, dadurch gekennzeichnet, dass das an die hintere Profilleiste (20') angeschlossene Dichtungselement (5') durch einen Schlitz in der einteilig ausgebildeten Gleitsohle (2) ein- und ausfahrbar ist.Vacuum cleaner nozzle according to claim 6, characterized in that the sealing element (5 ') connected to the rear profile strip (20') can be moved in and out through a slot in the one-piece sliding sole (2). Staubsaugerdüse nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass an die vordere Profilleiste (20) ein Borstenstreifen (5) und an die hintere Profilleiste (20') ein Streifen (5') aus einem elastomeren Material angeschlossen sind.Vacuum cleaner nozzle according to one of Claims 5 to 7, characterized in that a bristle strip (5) is connected to the front profile strip (20) and a strip (5 ') made of an elastomeric material is connected to the rear profile strip (20'). Staubsaugerdüse nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Kipphebel (6) aus einer drehbar gelagerten Welle (7), mindestens einer als Trittschalter (8) ausgebildeten Schaltfläche sowie angeformten Nocken (9) besteht, wobei die Nocken (9) auf eine zugeordnete Druckfläche (10) des Dichtungsträgers (4) wirken.Vacuum cleaner nozzle according to one of claims 1 to 8, characterized in that the rocker arm (6) consists of a rotatably mounted shaft (7), at least one button designed as a foot switch (8) and molded cams (9), the cams (9) act on an associated pressure surface (10) of the seal carrier (4). Staubsaugerdüse nach Anspruch 9, dadurch gekennzeichnet, dass der Dichtungsträger (4) beidseits des Saugkanals (12) jeweils zwei Querträger (22) aufweist, wobei der Trittschalter (8) in den Freiraum zwischen benachbarten Querträgern (22) eintaucht und wobei zwischen den Querträgern (22) auch die mit dem Kipphebel (6) zusammenwirkenden Druckflächen (10) angeordnet sind.Vacuum cleaner nozzle according to claim 9, characterized in that the seal carrier (4) has two cross members (22) on both sides of the suction channel (12), the foot switch (8) being immersed in the space between adjacent cross members (22) and between the cross members (22). 22) the pressure surfaces (10) cooperating with the rocker arm (6) are also arranged. Staubsaugerdüse nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Öffnung (17) der Gleitsohle (2) von angeformten Vorsprüngen (29) umgeben ist, die in das Anschlussstück (13) des Saugkanals (12) eingreifen und den Übergang zwischen dem Saugmund (3) der Gleitsohle (2) und dem Saugkanal (12) des Gehäuseoberteils (1) gegen Fremdluft abdichten.Vacuum cleaner nozzle according to one of claims 1 to 10, characterized in that the opening (17) of the sliding sole (2) is surrounded by molded projections (29) which engage in the connecting piece (13) of the suction channel (12) and the transition between the Seal the suction mouth (3) of the sliding sole (2) and the suction channel (12) of the upper part of the housing (1) against external air. Staubsaugerdüse nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Gleitsohle (2) vor und/oder hinter dem Saugmund (3) Vertiefungen aufweist, in die Fadenheberstreifen (30) eingeklebt sind. Vacuum cleaner nozzle according to one of claims 1 to 11, characterized in that the sliding sole (2) has recesses in front of and / or behind the suction mouth (3), into which thread lifter strips (30) are glued. Staubsaugerdüse nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Kippgelenk (15) eine durchgehende Wellenachse (31) aufweist, an deren Enden Laufräder (32) aufgesteckt sind.Vacuum cleaner nozzle according to one of claims 1 to 12, characterized in that the tilt joint (15) has a continuous shaft axis (31), at the ends of which impellers (32) are attached.
EP04000810A 2003-02-20 2004-01-16 Nozzle for smooth surfaces and for textile floor coverings Expired - Lifetime EP1449476B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10307176 2003-02-20
DE10307176 2003-02-20
DE10312906A DE10312906B4 (en) 2003-02-20 2003-03-22 Staubstaugerdüse for smooth floors and textile floor coverings
DE10312906 2003-03-22

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EP1449476A2 true EP1449476A2 (en) 2004-08-25
EP1449476A3 EP1449476A3 (en) 2007-12-05
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EP (1) EP1449476B1 (en)
CN (1) CN1298278C (en)
HK (1) HK1066711A1 (en)

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EP1449476B1 (en) 2008-08-27
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CN1522655A (en) 2004-08-25
US20040216268A1 (en) 2004-11-04
US7222393B2 (en) 2007-05-29

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