EP0381015B1 - Tuyère d'aspiration à fonction multiple - Google Patents

Tuyère d'aspiration à fonction multiple Download PDF

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Publication number
EP0381015B1
EP0381015B1 EP90101288A EP90101288A EP0381015B1 EP 0381015 B1 EP0381015 B1 EP 0381015B1 EP 90101288 A EP90101288 A EP 90101288A EP 90101288 A EP90101288 A EP 90101288A EP 0381015 B1 EP0381015 B1 EP 0381015B1
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EP
European Patent Office
Prior art keywords
suction
opening
housing part
suction nozzle
nozzle according
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
EP90101288A
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German (de)
English (en)
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EP0381015A1 (fr
Inventor
Peter Wörwag
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Fedag
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Fedag
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Publication date
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Publication of EP0381015A1 publication Critical patent/EP0381015A1/fr
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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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine

Definitions

  • the invention relates to a suction nozzle for suction cleaning devices for cleaning surfaces of different nature of the type specified in the preamble of claim 1.
  • suction cleaning devices For cleaning surfaces, in particular for their dry cleaning, generally known suction cleaning devices are used, which are connected in terms of flow via a suction line to a suction tool which is moved over the surface to be cleaned.
  • the suction tool which is preferably guided by hand with reciprocating movements over the surface to be cleaned, and which is detachably connected to the suction line leading to the suction cleaning device and can be connected again, is generally also referred to as a suction nozzle.
  • These suction nozzles generally have a narrow, rectangular suction opening, through which the suction air flow generated by the suction cleaning device flows in at high speed and entrains dust and dirt particles from the area surrounding the slit-shaped suction opening, the suction nozzle lying on the surface to be cleaned being moved back and forth across the surface.
  • the design of the suction nozzle, in particular the slit-shaped suction opening surrounding area to adapt to the nature of the surface to be cleaned.
  • the surrounding area of the suction opening is bristled.
  • this bristle the suction nozzle lies on the surface to be cleaned and slides on this bristle during the cleaning process, as a result of which adhering dirt particles are loosened from the floor and sucked off by the suction air flow.
  • this length of bristle is used to keep the suction opening of the suction nozzle a short distance above the surface to be cleaned, so that the dirt entrained by the inflowing suction air stream can flow in without problems.
  • the slit-shaped suction opening is provided with smooth, surrounding sliding surfaces, which are moved over the textile surface to be cleaned. Due to the fact that the suction opening lies directly on the surface to be cleaned, the suction air flow is inevitably guided through the fibers of the textile floor covering and the dirt deposited therein is carried away. Because by walking on the textile floor coverings their fibers depressed and at the same time the dirt lying on it is trodden on, in the case of heavy soiling, however, the textile fibers should be cleaned at least at intervals with the help of a brush and set up again.
  • a rotating, roller-shaped brush is generally used.
  • the rotating roller-shaped brush can be driven by various means, for example by an electric motor.
  • the brush When changing to a textile covering, the brush is retracted so far by actuating the changeover device, usually in the interior of the nozzle housing, that the bristles disengage from the floor surface and the housing rests on the textile covering to be cleaned, causing the suction nozzle to slide over it the textile covering to be cleaned is guided.
  • the changeover device usually in the interior of the nozzle housing
  • a suction nozzle for suction cleaning devices which has a first suction opening with surrounding flat sliding surfaces and a second suction opening with bristle trimmings which are formed on opposite sides of the housing.
  • the entire suction cleaning tool In order to bring one or the other suction opening into the use position, the entire suction cleaning tool must be pivoted about a horizontal axis of rotation of the connecting piece. For this purpose, the suction cleaning tool must be lifted off the floor surface so that it can rotate. As a result, the work process is not insignificantly hampered, especially if interfaces of different floor coverings are to be cleaned.
  • a generic suction nozzle which has a first suction opening facing the floor with a rotatingly driven brush roller and a second suction opening which is formed at the end of a swiveling suction channel.
  • the suction channel is suitable for vacuuming corners that are difficult to access or the like. It is not possible to vacuum a larger floor area with the suction channel.
  • the suction nozzle for a suction cleaning device from an upper housing part and a lower housing part, which can be rotated relative to one another about an axis.
  • the suction openings facing the floor surface to be cleaned are provided in the lower housing part, the second suction opening being surrounded by flat sliding surfaces and the first flow duct being connected in one rotational position of the upper housing part and the second flow duct being connected to the connecting piece in the other rotational position of the upper housing part , whereby the first or second suction opening comes into its use position.
  • a support device which consists of a support brush running essentially parallel to the extension of the second suction opening, which is located in a recess and is mounted such that its bristles protrude from the recess in a position of use and in a non- Use position in the recess.
  • the bristle supports the housing in a certain inflow gap above the floor surface to be cleaned and also ensures that dirt particles adhering to the floor are loosened and then vacuumed off.
  • the housing is provided in a manner known per se Provide casters.
  • connection piece for the suction line is pivotally and rotatably mounted in the upper housing part.
  • the end of the connecting piece which engages in one housing part is designed as an upholstery nozzle which can be detached from the housing.
  • connection piece which is in any case necessary, is at the same time one of the nozzle variants, namely for cleaning upholstery, curtains or the like, which is always available as soon as the connection piece has been removed from one housing part by simply loosening it.
  • a simple and easy-to-use design of the upholstery nozzle is provided if it is dome-shaped at its lateral ends and has a flattened portion for forming an upholstery suction opening and two friction-cup-like bearing surfaces are provided for the positive connection with the upper housing part.
  • a simple loosening and reassembly of the connecting piece and housing part is given when the spherical ends of the upholstery nozzle are held between the spherical shell-like bearing surfaces by the elastic restoring force of the material of the housing part.
  • the rotatably mounted brush is roller-shaped and has a drive device arranged within the lower housing part.
  • An electric motor or an air turbine driven by the suction air flow can be provided as the drive device.
  • a friction gear can also be provided be, which rests on the floor surface to be cleaned and sets the brush in rotation by the working movement of the suction nozzle.
  • the air turbine is expediently arranged in a turbine chamber in the first flow channel and connected to the brush by means of a belt drive.
  • a multi-purpose suction nozzle 101 consists of a housing 105 with a lower housing part 106 and an upper housing part 111.
  • the lower housing part 106 is mounted on rollers 132.
  • the upper housing part 111 serves to receive an articulated and rotatably mounted connecting piece 102, to which a suction line (not shown) of a suction cleaning device can be connected. That as a flat, rectangular cuboid formed lower housing part 106 of the multi-purpose suction nozzle 101 is provided with a first suction opening 108 and with a second suction opening 123.
  • Both suction openings are directed to the floor surface 144 to be cleaned and extend transversely to the working direction 119, the distance between the two suction openings 108 and 123 being matched by the impellers 132 resting on the floor surface 144 to be cleaned so that when smooth surfaces are processed between the the two suction openings 108 and 123 surrounding lower nozzle surface sections 133, 134, 135, 136 a sufficient inflow gap 145 remains.
  • the rollers 132 sink so deeply into the carpet surface that the lower nozzle surface sections 133 to 136 slide against the carpet pile of the carpet surface to be cleaned.
  • the roller-shaped brush 109 mounted in rotation in the suction opening 108 projects through the suction opening 108 with its bristle 110 to a small extent and penetrates the carpet surface, which is furrowed by the rotation of the brush 109.
  • the suction opening 108 with the flow channel 117 assigned to it and the suction opening 123 with the flow channel 130 assigned to it can alternately be brought into flow connection with the inflow opening 126 to the receiving space 118 for the connecting piece 102, depending on which of the suction openings 108 or 123 has been brought into the respective position of use is.
  • the alternate use of the first suction opening 108 with the roller-shaped brush 109 protruding through this suction opening or that of the smooth, unequipped second suction opening 123 is designed in such a way that only the suction opening located away from the connecting piece is flowed through by the suction air flow, while that of the connecting piece 102 nearby suction opening to the connecting piece is closed.
  • the suction opening 108 or 123 to be used in each case is brought into its position of use by rotating the lower housing part 106 about a vertical axis of rotation 139 relative to the upper housing part 111.
  • the upper housing part 111 has a contact surface 128 and the lower housing part has a contact surface 120, so that the two housing parts rotatably slide against each other.
  • the first suction opening 108 with the rotating roller-shaped brush 109 or the second suction opening 123 can be brought into its use position, whereby the lower housing part 106 has to be rotated through 180 ° from one use position to the other.
  • the mouth opening 122 or 131 of the flow channel 117 or 130 assigned to it is brought into congruence with the inflow opening 126 of the receiving space 118.
  • the handling of the multi-purpose suction nozzle according to FIGS. 1 to 4 is as follows: For thorough cleaning of a textile floor covering, the suction opening 108 provided with the rotating roller-shaped brush 109 should be used, for which purpose the suction opening 108 is brought into the position shown in FIG. 1 which is remote from the connecting piece 102. As a result, an outlet opening 122 of the flow path 117 is in register with the inflow opening 126 of the receiving space 118 for the connecting piece 102.
  • the suction air guided by the cleaning device via the suction line (not shown) flows through the first suction opening 108 and flows through the flow path 117. which is partially formed by the turbine chamber 116 located in the course of this flow path 117 with the air turbine 115 mounted therein.
  • This air turbine 115 is set in rotation by the suction air flow and the roller-shaped brush 109 is driven via the belt drive 114. If only the smooth, unequipped second suction opening 123 is to be used for cleaning the floor surface 144, this second suction opening 123 is pivoted into the position according to FIG. 3 removed from the connecting piece 102. As a result, an opening 131 of the flow path 130 is brought into register with the inflow opening 126, so that the suction air flow generated by the cleaning device flows in through the second suction opening 123. The connection of one of the mouth openings 122 and 131 has the result that the other mouth opening 131 and 122 is sealed off from the connecting piece 102.
  • FIGS. 5 to 8 represent a multi-purpose suction nozzle 201, the housing 205 of which is designed as a flat cuboid, which is provided with a first suction opening 208 and with a second suction opening 223. Both suction openings are directed towards the floor surface 244 to be cleaned and extend transversely to the working direction 219 and form the air inlets to the nozzle chambers 203 and 204 assigned to them. When cleaning textile floor coverings, the surface 206 of the housing 205 rests on the textile floor surface 244 to be cleaned .
  • the multi-purpose nozzle 201 and thus its lower housing half 206 are raised so far above the floor surface to be cleaned by two strip-shaped support brushes 240 and 241 that an inflow gap 245 sufficient for the suction air flow is formed.
  • the two strip-shaped support brushes 240 and 241 extend parallel to the two suction openings 208 and 223 and correspond approximately to their length extension.
  • the two support brushes 240 and 241 are height-adjustable in recesses 238, 239 of the lower surface 206 of the housing 205 so that they can be actuated by an actuating device 242 from a "non-use position" shown in FIG. 5 to a "use position" according to FIG. 7 and can be moved back again.
  • the ends of their bristles step back behind the plane of the lower surface 206 of the housing 205.
  • the ends of their bristles project beyond the plane of the lower surface 206 of the housing 205, so that the lower surface 206 is raised by a few millimeters above the base surface 244 to be processed.
  • a housing middle part 212 which can be pivoted about a horizontal axis and which comprises two separate outflow elbows 220 and 221 which open into a common connecting piece 202.
  • the exhaust manifold 220 is preceded by a turbine chamber 216 with an air turbine 215 mounted therein, the turbine chamber 216 having an inlet opening 224, which in the position of use of the first suction opening 208 with the mouth 225 of a connecting channel 226, which is provided on the downstream side of the first nozzle chamber 203 is. This arrangement can be seen in FIGS. 5 and 6.
  • a rotatingly driven roller-shaped brush 209 is mounted in the first nozzle chamber 203 in such a way that its bristle 210 protrudes through the suction opening 208 to a small extent and thus penetrates the carpet surface, which furrows through the rotation of the brush 209 becomes.
  • the air turbine 215 stored in the turbine chamber 216 drives the brush 209 mounted in the nozzle chamber 203 via a belt drive 214 when the first suction opening 208 with the brush 209 mounted therein is brought into its position of use, as is shown in FIGS. 5 and 6 is shown.
  • the second outflow elbow 221 has an elongated suction channel 232 which extends to an opening 237 on the second nozzle chamber 204 and is congruent with this when the multi-purpose suction nozzle 201 is brought into the use position of the second suction opening 223.
  • the alternate use of the first suction opening 208 with the cylindrical brush 209 projecting through this suction opening or the second suction opening 223 is designed in such a way that only the suction opening located away from the connecting piece 202 is acted upon by the suction air stream, while the suction opening close to the connecting piece 202 is used Connection piece 202 is closed.
  • the suction opening 208 or 223 to be used in each case is set into its position of use by pivoting the connecting piece 202 or with it in the form of a stem Detachably connected suction line 218 by approximately 150 ° above the vertical from an approximately horizontal first end position to the opposite, likewise approximately horizontal second end position about the horizontal axis 217.
  • the housing middle part 212 which is rotatably mounted about the horizontal axis 217, is pivoted such that the inlet opening 224 of the turbine chamber 216 with the mouth 225 of the connecting channel 226 reaches the flow-connecting cover.
  • the suction air flow flows in through the first suction opening 208, flows through the first nozzle chamber 203 and the connecting duct 226 and then passes through the inlet opening 224 into the turbine chamber 216 and into the blading of the air turbine 215, as a result of which the latter is set in rotation.
  • the suction air flows through the first outflow elbow 220 into the connecting piece 202 and from there through the suction line 218 to the suction cleaning device, as the air flow arrows 229 in FIGS. 5 and 6 show.
  • the flow path through the second exhaust manifold 221 is blocked.
  • the second suction opening 223 of the multi-purpose suction nozzle is used to clean the bottom surface 244 without a brush using suction air alone.
  • the middle housing part 212 with the connecting piece 202 and the suction line 218 detachably received therein is pivoted from the previously described use position for the first suction opening by approximately 150 ° about the axis 217 over the vertical to the second use position for the second suction opening 223 , so that this second suction opening now assumes the position away from the connecting piece 202.
  • the suction air flow is sucked in through this second suction opening.
  • This air flow crosses the second nozzle chamber 204 and passes through the suction channel 232 into the outflow elbow 221, through which the suction air flow is introduced into the connecting piece 202 and is fed to the suction cleaning device via the suction line 218, as shown by the air flow arrows 230.
  • the opening 237 of the suction channel 232 is assigned a blocking surface (not visible in the drawing) such that the opening 237 of the suction channel is only opened when the housing middle part 212 is in the position provided for the use of the second suction opening 223.
  • the two strip-shaped support brushes 240 and 241 are moved out of the recesses 238, 239 by actuating the actuating device 242, so that they protrude from the lower surface 206 of the nozzle housing 205 and this lower surface 206 with the two suction openings 208 and 223 is raised slightly from the floor surface to be cleaned, so that the inflow gap 245 required for the inflow of the suction air and the dust and dirt parts carried therein is formed.
  • the roller-shaped brush 109, 209 assigned to the first suction opening 108, 208 is mounted such that it can move in height, that it adjusts to the different pile heights of the carpet to be cleaned, in that it rests on the surface to be cleaned only due to its own weight and the pressure generated by the belt tension of the drive belt.
  • an additional lifting device (not shown in the drawings) is advantageous which brings the roller-shaped brush 109, 209 into an upper position furthest from the floor when the first suction opening 108, 208 is in its non-use position.
  • a latching device for example in the form of a ball catch or the like, can be provided for the safe positioning of the respective working positions.
  • the multi-purpose suction nozzle is additionally provided with an easily removable and reinsertable upholstery nozzle 50 for cleaning upholstery surfaces, as shown in FIG. 9.
  • the upholstery nozzle 50 is firmly connected to the connecting piece 2.
  • the connecting piece 2 is cylindrical in shape at its lower end 50, a flattening of the cylindrical shape forming a cushion suction opening 49.
  • the lateral ends of the cylindrical shape are dome-shaped or domed. After releasing a catch, the connecting piece 2 serving as a guide handle for the upholstery nozzle 50 with the upholstery nozzle 50 is removed from the upper housing part of the multi-purpose suction nozzle.

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

Claims (17)

  1. Suceur pour aspirateurs, pour le nettoyage de surfaces de différente nature, telles que surfaces lisses et dures, couvre-sols textiles ou coussins, le suceur étant assemblé d'une manière amovible, au moyen d'une tubulure de raccordement articulée, avec un tube d'aspiration de l'aspirateur, avec un premier orifice d'aspiration (108, 208), prévu dans un corps (105, 205) du suceur (101, 201) et muni d'une brosse rotative (109, 209), dont les poils (110, 210) traversent le premier orifice d'aspiration (108, 208), ce premier orifice (108, 208) étant prolongé par un premier conduit d'écoulement (117; 216, 220), et avec un second orifice d'aspiration (123, 223), disposé dans le corps (105, 205), et que prolonge un second conduit d'écoulement (130; 221, 232), caractérisé en ce que le corps (105, 205) comporte une partie de corps inférieure (106, 206) et une partie de corps supérieure (111, 212), la partie de corps inférieure (106, 206) présentant les deux orifices d'aspiration (108, 123; 208, 223), tournés vers la surface de sol à nettoyer (144), le second orifice d'aspiration (123, 223) étant enveloppé par des surfaces de glissement planes (135, 136; 235, 236), et la partie de corps supérieure (111, 212) pouvant tourner autour d'un axe (139, 217) par rapport à la partie de corps inférieure (106, 206), le premier conduit d'écoulement (117; 216, 220) étant relié à la tubulure de raccordement (102, 202) dans l'une des positions de rotation, et le second conduit d'écoulement (130; 221, 232) étant relié à la tubulure (102, 202) précitée dans l'autre position de rotation.
  2. Suceur suivant la revendication 1, caractérisé par un dispositif d'appui (240, 241), disposé au voisinage d'un orifice d'aspiration (208, 223), et pouvant être encastré en cas de besoin.
  3. Suceur suivant l'une des revendications 1 et 2, caractérisé en ce que le corps (105, 205) a une configuration telle que la zone (133, 134, 206), enveloppant le premier orifice d'aspiration (108, 208), s'applique en glissant sur la surface de sol (144, 244) à nettoyer, en position de travail de l'orifice précité.
  4. Suceur suivant l'une quelconque des revendications 2 et 3, caractérisé en ce que le dispositif d'appui est une brosse (240, 241), essentiellement parallèle à l'étendue de l'orifice d'aspiration (208, 223), située dans une cavité (238, 239), et logée de sorte que ses poils dépassent de la cavité (238, 239), dans une "position d'utilisation", et rentrent dans la cavité dans une "position de non-utilisation".
  5. Suceur suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que le corps (105) est muni de galets de roulement (132).
  6. Suceur suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que la partie de corps inférieure (106) est montée avec une possibilité de rotation par rapport à la partie de corps supérieure (111), autour d'un axe (139) à peu près vertical du moins, la partie de corps supérieure (111), notamment, présentant une portée (128), et la partie de corps inférieure (106) étant munie d'une surface d'appui (120), de sorte que les deux parties de corps (111, 106) s'appliquent l'une sur l'autre en glissant.
  7. Suceur suivant l'une quelconque des revendications 1 à 6, caractérisé en ce que la tubulure de raccordement (102) pour le tube d'aspiration est logée avec une possibilité de pivotement et de rotation dans la partie de corps supérieure (111), l'extrémité de la tubulure de raccordement (102), s'engageant dans la partie de corps supérieure (111), étant de préférence réalisée sous forme de suceur à coussins (50), qui peut être détaché de la partie de corps (111), est réalisé en forme de calotte sur ses extrémités latérales, notamment, et présente un aplatissement pour la formation d'un orifice d'aspiration pour coussins (49), deux portées en forme de calotte étant prévues pour l'assemblage par adhérence avec la partie de corps supérieure (111), le suceur à coussins (50) étant maintenu, sur ses extrémités latérales, par la force de rappel élastique du matériau de la partie de corps, entre les portées en forme de calotte.
  8. Suceur suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que la brosse rotative (109, 209) est en forme de rouleau et est munie d'un dispositif d'entraînement, disposé à l'intérieur de la partie de corps inférieure (106, 205).
  9. Suceur suivant la revendication 8, caractérisé en ce que le dispositif d'entraînement est une turbine à air (115, 215), entraînée par le flux d'air d'aspiration, disposée dans un compartiment de turbine (116, 216), dans le conduit d'écoulement (117, 220), et assemblée avec une brosse (109, 209) au moyen d'une transmission à courroie (114, 214).
  10. Suceur suivant la revendication 8, caractérisé en ce que le dispositif d'entraînement est un moteur électrique.
  11. Suceur suivant la revendication 8, caractérisé en ce que le dispositif d'entraînement est une transmission à friction, qui s'applique sur la surface de sol à nettoyer et transforme le mouvement de va-et-vient du suceur en une rotation de la brosse (109, 209), en forme de rouleau.
  12. Suceur suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que la partie de corps supérieure est une partie de corps centrale (212), qui peut pivoter autour d'un axe horizontal (217), et dans laquelle sont disposés le premier et le second conduit d'écoulement (216, 220; 221, 232), et en ce que les deux conduits d'écoulement séparés (216, 220; 221, 232) débouchent dans une tubulure de raccordement commune (202), montée pour recevoir un tube d'aspiration (218) mobile sur la partie centrale de corps (212), l'angle de pivotement de la partie centrale de corps (212), de la position d'utilisation d'un orifice d'aspiration dans la position d'utilisation de l'autre orifice d'aspiration, étant de l'ordre de 150°, notamment.
  13. Suceur suivant l'une des revendications 7 et 12, caractérisé en ce que l'orifice d'aspiration (108, 123; 208, 223), distant de la tubulure de raccordement (102, 202), est uniquement traversé par le flux d'air aspiré, l'orifice d'aspiration (123, 108; 223, 208), proche de la tubulure de raccordement (102, 202), étant rendu étanche par rapport à cette dernière.
  14. Suceur suivant l'une quelconque des revendications 1 à 13, caractérisé en ce que le premier conduit d'écoulement se compose d'un premier compartiment de suceur (203), d'un conduit de jonction (226) avec une ouverture (225), d'un orifice d'entrée (224) en direction du compartiment de turbine (216), et d'un coude d'échappement (220), disposé en aval du compartiment de turbine, le second conduit d'écoulement se composant d'un second compartiment de suceur (204), d'un orifice (237), d'un conduit d'aspiration (232) et d'un coude d'échappement (221).
  15. Suceur suivant l'une quelconque des revendications 1 à 7, caractérisé en ce que l'angle de rotation des parties de suceur et/ou des parties de corps, de la position d'utilisation d'un orifice du suceur dans la position de non-utilisation, est de 180°.
  16. Suceur suivant l'une quelconque des revendications 1 à 15, caractérisé par un orifice d'admission (126), disposé dans la partie de corps supérieure (111), et par deux orifices d'échappement (122, 131), prévus dans la partie de corps inférieure (106), l'orifice d'échappement correspondant (122, 131) se situant dans la zone de l'orifice d'admission (126), suivant l'utilisation de l'un des orifices d'aspiration (108, 123), et l'autre orifice d'échappement (131, 122) étant rendu étanche par rapport à l'orifice d'admission (126).
  17. Suceur suivant l'une quelconque des revendications 1 à 16, caractérisé en ce que les deux parties de corps (106, 111; 206, 212), pouvant tourner l'une par rapport à l'autre, sont maintenues par un dispositif d'encliquetage contre tout risque de rotation accidentelle.
EP90101288A 1989-01-31 1990-01-23 Tuyère d'aspiration à fonction multiple Expired - Lifetime EP0381015B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3902741 1989-01-31
DE3902741 1989-01-31
DE4000374 1990-01-09
DE4000374A DE4000374A1 (de) 1989-01-31 1990-01-09 Mehrzweck-saugduese

Publications (2)

Publication Number Publication Date
EP0381015A1 EP0381015A1 (fr) 1990-08-08
EP0381015B1 true EP0381015B1 (fr) 1994-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101288A Expired - Lifetime EP0381015B1 (fr) 1989-01-31 1990-01-23 Tuyère d'aspiration à fonction multiple

Country Status (4)

Country Link
US (1) US5008973A (fr)
EP (1) EP0381015B1 (fr)
JP (1) JPH02246915A (fr)
DE (2) DE4000374A1 (fr)

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DE4105336C2 (de) * 1991-02-21 1994-08-25 Fedag Romanshorn Fa Saugreinigungswerkzeug
DE4121130A1 (de) * 1991-06-26 1993-01-07 Wessel Werk Gmbh Aktive staubsaugerduese
US5189757A (en) * 1991-10-31 1993-03-02 Williams William H Head assembly for a vacuum cleaning apparatus
DE4204749C1 (de) * 1992-02-18 1993-10-28 Fedag Romanshorn Fa Saugreinigungswerkzeug für Naß- und Trockensauger
US5347678A (en) * 1993-10-14 1994-09-20 Williams William H Head assembly for a vacuum cleaning apparatus having dual-individually floating heads
US5652996A (en) * 1995-12-01 1997-08-05 The Hoover Company Hand held cleaner with swiveling nozzle
TW327129B (en) * 1996-03-15 1998-02-21 Tokyo Electric Co Ltd Suction device for an electric cleaner
US5867864A (en) * 1997-05-02 1999-02-09 The Hoover Company Hand held turbine powered extractor nozzle
US5983442A (en) * 1997-06-06 1999-11-16 The Hoover Company Carpet extractor with automatic conversion
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Also Published As

Publication number Publication date
DE4000374A1 (de) 1990-08-02
JPH02246915A (ja) 1990-10-02
EP0381015A1 (fr) 1990-08-08
US5008973A (en) 1991-04-23
DE59004262D1 (de) 1994-03-03

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