EP0917850B1 - Tuyau d'acheminement d'air en particulier tuyau d'aspiration - Google Patents

Tuyau d'acheminement d'air en particulier tuyau d'aspiration Download PDF

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Publication number
EP0917850B1
EP0917850B1 EP98121626A EP98121626A EP0917850B1 EP 0917850 B1 EP0917850 B1 EP 0917850B1 EP 98121626 A EP98121626 A EP 98121626A EP 98121626 A EP98121626 A EP 98121626A EP 0917850 B1 EP0917850 B1 EP 0917850B1
Authority
EP
European Patent Office
Prior art keywords
hose
electrical
airflow
electrical cable
cable
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.)
Expired - Lifetime
Application number
EP98121626A
Other languages
German (de)
English (en)
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EP0917850A1 (fr
Inventor
Jürgen Thode
Manuela Müller
Rolf Strohmeyer
Hans-Peter Arnold
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding 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
Application filed by Vorwerk and Co Interholding GmbH filed Critical Vorwerk and Co Interholding GmbH
Publication of EP0917850A1 publication Critical patent/EP0917850A1/fr
Application granted granted Critical
Publication of EP0917850B1 publication Critical patent/EP0917850B1/fr
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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/246—Hose or pipe couplings with electrical connectors
    • 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
    • A47L9/32—Handles
    • A47L9/327—Handles for suction cleaners with hose between nozzle and casing

Definitions

  • the invention relates to an air guide hose, in particular suction hose, for example, for a vacuum cleaner or a window cleaning attachment with a run on the outside of the hose electrical cable, the hose has a machine end and a header end.
  • Hoses of the type in question are known in particular in the form of suction hoses for vacuum cleaners, wherein the machine-side end of the hose is detachably connectable to the vacuum cleaner.
  • the header end of the hose has a coupling for connecting attachments, such as provided with an electric motor brushes or the like. Or for connecting suction nozzles.
  • a non-electric window cleaning attachment can also be arranged on this attachment end.
  • electrical attachments it is known to run along the outside of the hose along an electric cable, which is clipped on the hose, for example.
  • the two plug-in or coupling-type ends of the electric cable are firmly integrated in the adapter or machine end of the suction hose which forms an adapter in each case.
  • the US 4,618,195 shows an air guide hose of the type in question, with an externally guided on the hose and a machine end and an intent end having electric cable.
  • the invention is concerned with the technical problem of specifying an air guide hose of the type in question, which is formed vorteilsvorteilhaft.
  • the design according to the invention proves to be advantageous in that the electric interface of the handling area can be continued by detaching the electric cable from the attachment end of the hose. This is particularly advantageous when working with a suction current-dependent, non-electric window cleaning attachment, since the electrical interface can be displaced from the moist, splash-prone area by the inventive design.
  • the electric cable surrounds the hose helically.
  • a benefit advantageous handling is achieved in that the electric cable has an inherent spring force such that upon release of the electric cable from the front end a retreat to the machine end takes place.
  • resilient spiral cable holding elements for the electric cable on the hose can be omitted.
  • the spring characteristic of the electric cable ensures that when it is detached from the front end of the hose this is automatically removed from the area of the air flow interface between the hose and attachment.
  • this can also be provided a separate return spring.
  • internal spring forces are preferred in the electrical cable, for example by ejection of a polyamide cable sheath made of polyurethane.
  • the spring effect can be adjusted so that a retraction of the leading side end of the electric cable takes place over a partial length of the hose.
  • the header-side end of the electric cable is designed as a separate electrical coupling guided on the hose. By guiding this electric coupling on the hose, it is the user in the simplest way possible to restore the connection between the electric cable and vorsatz workedem end of the hose.
  • the electric cable to be connected to the head end of the hose directly to the attachment.
  • the guidance of the electric clutch is formed by a guide ring, which latter surrounds the hose.
  • the electric clutch slides after loosening from the front end or from the attachment, guided by the suction hose in the direction of the machine end in a basic / standby position.
  • the automatic sliding back of the electric clutch and also the handling when returning it to the coupling position of the same is substantially facilitated by the fact that the guide ring has a relation to the outer diameter of the tube enlarged inner diameter.
  • a plug receptacle connected to the electric cable is attached to the guide ring.
  • an embodiment is preferred, as it is known from DE 196 08 245 and DE-A1 196 08 247.
  • This connector receptacle is at least two-pole, but may, as otherwise preferred, also be formed in three or more poles.
  • the more than two outgoing poles are occupied with control lines, for example, for transmitting signals to control the electric motor in the vacuum cleaner.
  • the electric coupling in one coupling position overhangs an unlocking button of the front end of the hose to release it from the attachment.
  • the electrical connection must be solved to expose the hose or attachment unlocking.
  • the electric clutch and the hose coupling are released together with a hard grip.
  • the electric cable is plugged into the adapter at the end of the suction hose in an adapter piece of the suction hose. About this adapter piece of the suction hose can be connected to the vacuum cleaner.
  • the this-sided end of the electric cable is according to the invention in the adapter piece for line connection with a correspondingly arranged in the connection area plug-in coupling vacuum cleaner plugged.
  • the entire helical electric cable from the suction hose is removable after a removal of the adapter-side electrical connector, for Formation of a non-electrified suction hose.
  • the suction hose can be used without an electric cable.
  • the electric coiled cable is slipped over the hose, the machine-side end of the cable in the hose-side adapter piece and the electrical coupling of the cable with the attachment, optionally inserted with the interposition of a handle and / or suction tube.
  • a plug-in part of the electric cable at the same time represents the electrical connection interface to an electric motor or the like.
  • the adapter piece preferably has an empty electrical contact chamber, which is designed to be open in the hose direction. The outlet opening thus formed is closed by a contact chamber cover in the non-electrified state of the hose. By opening this cover and inserting the male part of the electric cable, the hitherto non-electric hose is electrified.
  • the plug has plug contacts, which sit in a holder which positions the contacts in the contact chamber accordingly. Furthermore, this holder can also form the new contact chamber cover. Consequently, only by inserting the plug-in part into the adapter piece, the electrical connection interface to the vacuum cleaner is formed. Also with regard to the design of this interface, reference is made to the aforementioned disclosure.
  • a receiving sleeve for the electric cable is formed for receiving the electrical cable outside the sleeve. This sleeve can be connected to the machine-side adapter piece of the suction hose.
  • this sleeve is formed as a separate, the electric cable associated part, wherein an extended portion of the sleeve at the same time forms the plug of the electric cable.
  • An area machined out of the sleeve can in this case form the mentioned contact chamber cover.
  • the sleeve is designed as a cylinder.
  • This sleeve which is also designed in a sleeve shape, simultaneously serves as a cable backup aid and for cable positioning as well as an assembly / disassembly aid.
  • an air guide hose may be provided which has a separate handle for combination with the vacuum cleaner, wherein the handle has an air line formed at both ends of the handle connecting portions.
  • the handle at both ends further comprises an electrical interface for connection to an electric cable or an electrical connection in a header.
  • the handle according to the invention is first in a conventional manner in conjunction with a vacuum cleaner or the like.
  • a vacuum cleaner or the like wherein the handle both Saugaugtex and electrically an electrical or non-electrical attachment with the vacuum cleaner, optionally with the interposition of a suction tube and / or a Suction hose connects.
  • a separate grip piece can also serve merely as an incorporation handle as a result of the embodiment according to the invention.
  • This example for handling electrical attachments for incorporation of cleaning agents in upholstery or carpets. Since no suction air flow is required in these works, it is desirable to do this work without to carry out the usually connected suction device.
  • the handle of the suction hose or the like. Is separated.
  • the electrical power supply of the device connected to the handle offset device via a directly plugged into the handle electric cable Preference is given here an electric cable with a socket, as is known from the aforementioned DE-A1 196 08 245.
  • the handle is directly, ie electrified without the interposition of a vacuum cleaner.
  • the handle has a power / control switch.
  • the suction power can be controlled via such a switch.
  • DE-A1 197 20 949 The content of this patent application is hereby incorporated in full in the disclosure of the present invention, also for the purpose of including features of this patent application in claims of the present invention.
  • the electric attachment for example, an electrical training brush or the like. On or off via this switch.
  • the handle has a releasable connection latch.
  • a vacuum cleaner 1 here a vacuum cleaner, with an electrical connection line 2 for powering a suction motor, not shown.
  • This vacuum cleaner 1 is provided with a flexible suction hose 3, which at one end at the machine end 4 via an adapter piece 5 with the vacuum cleaner 1 and at the other end, the front end 6, with a handle 7 is detachably connected. At the latter, a header 9 is connected via a suction tube 8, which has an electric motor, also not shown, for driving rotary brushes.
  • attachment 9 integrated electric motor is carried out in the usual manner by means of the suction tube 8 and in the handle 7 extending lines, including between attachment 9 and suction tube 8 and between suction tube 8 and handle 7 each in addition to the air duct interfaces and electrical interfaces, provided in the form of plug-coupling formations.
  • the front end 6 of the suction hose 3 associated end portion of the electric cable 10 is a separate, guided on the suction hose 3 electric clutch 11 is formed.
  • the latter is essentially composed of one, the suction hose 3 comprehensive guide ring 12 and arranged on this ring outside, in the direction of the here to be connected handle 7 facing plug receptacle 13.
  • the latter is slightly bent, bringing a main body axis of the plug receptacle 13 easily is aligned with respect to the guide ring axis.
  • the plug receptacle 13 points in the direction of the attachment to be connected or here in the direction of the handle 7. In the back, the helical electric cable 10 exits from the plug receptacle 13.
  • the plug receptacle 13 is formed in the form of a socket according to the already mentioned DE-A1 196 08 245 and therefore has the front side two flat plug receptacles 14 and a round plug receptacle 15.
  • the tab receptacles 14 have a substantially rectangular cross-section.
  • the Rundstekkerness 15 is based on the plug cross section between the two Flachstecheringn 14 and has a circular cross-section. Rearward, the tab receptacles 14 are connected to two power lines of the electric cable 10.
  • the round plug receptacle 15 is connected to a further line of the electric cable 10, which forms a signal line, for example. For controlling the electric suction motor in the vacuum cleaner 1.
  • the handle 7 has an air line 16 with both ends of the handle 7 formed connecting portions 17, 18. Furthermore, at both ends in the handle 7 electrical interfaces 19, 20 are formed, wherein the electrical interface 19 is plug-like manner of the formation of the connector receptacle 13 adapted adapted. On the rear side of the plug 21 formed here, it is connected to the opposite electrical interface 20 via a cable 21 '.
  • the interface training mentioned here reference is again made to the aforementioned DE-A1 196 08 247.
  • the connecting portion 17 of the air line 16 receives the header-side end 6 of the suction hose 3, which end 6 is formed like a sleeve and has a radially outwardly cushioning release button 22.
  • the latter passes through an externally accessible bore 23 of the connecting portion 17.
  • the arrangement is chosen so that the bore 23 and thus the part of the unlocking button 22 passing through it in the coupled state of the electrical parts, i. Electric clutch 11 and handle 7, is covered by the connector receptacle 13.
  • the handle 7 further has a power / control switch 24 in the form of a slide switch. This is used for switching on / off and / or for power regulation the suction motor of the vacuum cleaner 1 via the mentioned control line.
  • the handle 7 has a releasable connection catch 25 for latching arrangement of the suction tube 8 or for the direct connection of an attachment.
  • a in the region of the machine-side end 4 adapter piece 5 of the suction hose 3, a, in the direction of the suction hose 3 outwardly open receiving chamber 26 is formed outside the here formed shipstechnischs Anschlußabismees27.
  • this receiving chamber 26 enters the front side when connecting the adapter piece 5 to the vacuum cleaner 1, a vacuum cleaner-side electrical connector coupling 28, which is within the vacuum cleaner 1 in electrically conductive connection with the power connection. 2
  • the adapter piece 5 of the suction hose 3 has a chamber opening 32 for the passage of the plug-in part 31 or the electric cable 10 connected thereto.
  • the end section of the electric cable 10 facing the insertion part 31 and the insertion part 31 are fastened to a sleeve-like receiving sleeve 33.
  • the receiving sleeve 33 simultaneously forms a chamber cover 34.
  • the inner diameter of the receiving sleeve 33 is selected larger than the outer diameter of the suction hose 3 and that of a substantially cylindrical portion of the adapter piece. 5
  • the receiving sleeve 33 is slid over a portion of the adapter piece 5, wherein the length of the receiving sleeve 33 is selected so that it still envelops a portion of the machine-side end 4 of the suction hose 3.
  • a clip connection for fixing the receiving sleeve 33 to the adapter piece 5, for example, a clip connection, not shown, may be selected.
  • the compressed length of the electric cable 10 length adjusted, the free end conically tapered receiving sleeve 33 receives the entire electrical cable 10 on the outside.
  • this can be manually pushed over a, formed at the free end of the receiving sleeve 33, collar-shaped Rastausformung 35.
  • the electric cable 10 is securely restrained on the receiving sleeve 33 in this kinked position.
  • the receiving sleeve 33 serves as a cable backup and cable positioning, as well as assembly / disassembly help.
  • the recorded on this sleeve 33 electric cable 10 forms together with the receiving sleeve 33 a removable from the suction 3 electrifying module 36. If, for example, no electrification of attachments needed, this electrifying module 36 is completely removable from the suction hose 3.
  • the receiving sleeve 33 is withdrawn in the simplest way, together with, carried by this electric cable 10, wherein the arranged insertion part 31 leaves the receiving chamber 26 of the adapter piece 5.
  • the now exposed chamber opening 32 is hereafter closed by a separate cover 37.
  • receiving sleeve 33 and electric cable 10 with this plug-in part 31 can also be separated or pushed off one another.
  • the receiving sleeve 33 can also be a fixed component of the machine-side end 4 of the suction hose 3 or of the adapter piece 5.
  • the handle 7 shown in a detail view in FIG. 16 can not only be used in combination with a vacuum cleaner 1. Characterized in that this handle 7 in addition to the two end-trained connecting portions 17 and 18 for the air line 16 further each having an electrical interface 19, 20, this is also only for the connection of electrically operated, no suction bring attachments used.
  • an electric coupling 39 provided with a mains cable 38 is plugged into the electrical interface 19 forming a coupling receptacle.
  • the power supply 38 otherwise has a conventional power plug 41.
  • a header for example in the form of a training brush 40, attached, at the same time a vorsatzieri- or suction pipe-side electrical connector is plugged into the electrical interface 20.
  • the incorporation brush 40 is supplied with power via the power cable 38, the grip 7 and, if appropriate, via the suction tube 8 having the corresponding electrical cable.
  • the electric attachment for example, a cleaning agent in upholstery or carpets. Since no suction air flow is desired in this work, can be operated without vacuum cleaner 1 by the inventive design, the attachment, here the incorporation brush 40. This results in a simple, user-friendly handling.
  • the attachment can also be arranged directly on the handle 7, which in addition to the handling technology advantageous effect still results in a smaller overall size, which further facilitates, for example, an oversoil work.

Claims (15)

  1. Flexible de déflection d'air, notamment flexible d'aspiration (3) par exemple pour un aspirateur (1) ou pour un outil adaptable pour laver les fenêtres (9) avec un câble électrique (10) guidé à l'extérieur sur le flexible, le flexible (3) comportant une extrémité machine (4) et une extrémité adaptateur (6), caractérisé en ce que le câble électrique (10) entoure le flexible (3) de façon lâche sous forme hélicoïdale, en ce que le câble électrique (10) est relié de façon amovible avec l'extrémité adaptateur (6) du flexible (3) au moyen d'un accouplement électrique (11) et en ce que l'enlèvement de l'accouplement électrique (11), donne lieu à un retrait du câble électrique (10), à une longueur refoulée du dernier, maintenue sur le flexible (3).
  2. Flexible de déflection d'air selon la revendication 1, caractérisé en ce que le câble électrique (10) a une force de ressort intrinsèque, de sorte que lors de l'enlèvement du câble électrique (10) de l'extrémité adaptateur (6), on assiste à un retrait vers l'extrémité machine (4).
  3. Flexible de déflection d'air selon la revendication 1, caractérisé en ce que sur l'extrémité (6) côté adaptateur du flexible (3), le câble électrique (10) doit être relié directement avec l'appareil adaptateur (9).
  4. Flexible de déflection d'air selon la revendication 1, caractérisé en ce que le guidage de l'accouplement électrique (11) est formé par une bague de guidage (12).
  5. Flexible de déflection d'air selon la revendication 4, caractérisé en ce que la bague de guidage (12) a un diamètre intérieur agrandi par rapport au diamètre extérieur du flexible (3).
  6. Flexible de déflection d'air selon l'une quelconque ou plusieurs des revendications 4 ou 5, caractérisé en ce qu'un logement à fiches (13) relié au câble électrique (10) est relié sur la bague de guidage (12).
  7. Flexible de déflection d'air selon la revendication 1, caractérisé en ce que dans une position de découplage, l'accouplement électrique (11) recouvre une touche de déverrouillage (22) de l'extrémité (6) côté adaptateur du flexible (3), pour enlever celui-ci de l'appareil adaptateur (9).
  8. Flexible de déflection d'air selon la revendication 1, caractérisé en ce que sur l'extrémité (4) côté machine du flexible d'aspiration (3), le câble électrique (10) est maintenu par enfichage dans un élément de rallonge (5) du flexible d'aspiration (3).
  9. Flexible de déflection d'air selon la revendication 1, caractérisé en ce qu'un élément d'enfichage (31) du câble électrique (10) constitue simultanément l'interface de branchement électrique sur un moteur électrique ou similaire.
  10. Flexible de déflection d'air selon la revendication 8, caractérisé en ce qu'une douille de logement (33) pour le câble électrique (10) est conçue en association à l'extrémité machine (4) du flexible (3), pour le logement côté extérieur de la douille du câble électrique (10).
  11. Flexible de déflection d'air selon la revendication 10, caractérisé en ce que la douille de logement (33) est conçue sous la forme d'un cylindre.
  12. Procédé selon l'une quelconque ou plusieurs des revendications 10 ou 11, caractérisé en ce qu'un moulage d'enclenchement (35) pour le maintien par enclenchement de la bague de guidage (12) est formé sur la douille de logement (33).
  13. Flexible de déflection d'air selon la revendication 1, une poignée (7) séparée étant prévue pour être associée à l'aspirateur (1), la poignée (7) comportant un conduit d'air (16) avec des sections de raccord (17, 18) conçues sur les deux extrémités de la poignée (7), caractérisé en ce que la poignée (7) comporte par ailleurs une interface électrique (19, 20) pour la liaison avec un câble électrique (10, 38) ou un branchement électrique dans un appareil adaptateur (9, 40).
  14. Flexible de déflection d'air selon la revendication 13, caractérisé en ce que la poignée (7) comporte un interrupteur de puissance/de réglage (24).
  15. Flexible de déflection d'air selon l'une quelconque ou plusieurs des revendications 13 ou 14, caractérisé en ce que la poignée (7) comporte un taquet de liaison (25) déclenchable.
EP98121626A 1997-11-20 1998-11-12 Tuyau d'acheminement d'air en particulier tuyau d'aspiration Expired - Lifetime EP0917850B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751440A DE19751440A1 (de) 1997-11-20 1997-11-20 Luftführungsschlauch, insbesondere Saugschlauch
DE19751440 1997-11-20

Publications (2)

Publication Number Publication Date
EP0917850A1 EP0917850A1 (fr) 1999-05-26
EP0917850B1 true EP0917850B1 (fr) 2007-01-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121626A Expired - Lifetime EP0917850B1 (fr) 1997-11-20 1998-11-12 Tuyau d'acheminement d'air en particulier tuyau d'aspiration

Country Status (4)

Country Link
EP (1) EP0917850B1 (fr)
AT (1) ATE352245T1 (fr)
DE (2) DE19751440A1 (fr)
ES (1) ES2279557T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013031217A2 (pt) 2011-06-08 2016-09-06 Dsm Ip Assets Bv protetores solares
US20150359720A1 (en) 2011-06-08 2015-12-17 Dsm Ip Assets B.V. Cosmetic compositions
US20140219942A1 (en) 2011-06-08 2014-08-07 Dsm Ip Assets B.V. Sunscreens
US20140308220A1 (en) 2011-06-08 2014-10-16 Dsm Ip Assets B.V. Topical composition
EP2717829A2 (fr) 2011-06-08 2014-04-16 DSM IP Assets B.V. Ecrans solaires
BR112013031542A2 (pt) 2011-06-08 2017-03-01 Dsm Ip Assets Bv composições cosméticas.
EP2717831A2 (fr) 2011-06-08 2014-04-16 DSM IP Assets B.V. Écrans solaires
EP2717832A2 (fr) 2011-06-08 2014-04-16 DSM IP Assets B.V. Compositions cosmétiques
US20140227205A1 (en) 2011-06-08 2014-08-14 Dsm Ip Assets B.V. Topical composition

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL122506C (fr) * 1961-02-27
US4473923A (en) * 1982-05-10 1984-10-02 Dayco Corporation Vacuum cleaning tool adapter with electrical control means
US4618195A (en) * 1985-06-03 1986-10-21 Whirlpool Corporation Vacuum cleaner hose coupling
US4980945A (en) * 1989-11-27 1991-01-01 Whirlpool Corporation Safety interlock device for a vacuum cleaner
DE3941767A1 (de) * 1989-12-18 1991-06-20 Mauz & Pfeiffer Progress Vorrichtung zur halterung einer elektrischen leitung an einem staubsaugerrohr und/oder -schlauch
DE4020378A1 (de) * 1990-06-27 1992-01-02 Licentia Gmbh Staubsauger mit drehbarem saugschlauch
JP3134094B2 (ja) * 1994-04-01 2001-02-13 金尾 茂樹 クリーナーホース

Also Published As

Publication number Publication date
ATE352245T1 (de) 2007-02-15
EP0917850A1 (fr) 1999-05-26
ES2279557T3 (es) 2007-08-16
DE59813888D1 (de) 2007-03-15
DE19751440A1 (de) 1999-05-27

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