EP1369074A1 - Suceur d'aspirateur à dispositif de raclage - Google Patents
Suceur d'aspirateur à dispositif de raclage Download PDFInfo
- Publication number
- EP1369074A1 EP1369074A1 EP03356076A EP03356076A EP1369074A1 EP 1369074 A1 EP1369074 A1 EP 1369074A1 EP 03356076 A EP03356076 A EP 03356076A EP 03356076 A EP03356076 A EP 03356076A EP 1369074 A1 EP1369074 A1 EP 1369074A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum cleaner
- nozzle
- cleaner nozzle
- blade
- blades
- 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
Links
- 238000007790 scraping Methods 0.000 title abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 17
- 238000006073 displacement reaction Methods 0.000 description 8
- 210000004209 hair Anatomy 0.000 description 7
- 239000000835 fiber Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
Definitions
- the present invention relates to a vacuum cleaner nozzle, and more particularly an improvement in the dust removal performance of carpet-like surfaces.
- the rule allows, not only to collect and scrape the dust on the surface to be cleaned, but also to close the half-channel located at the back of the ruler relative to the direction of travel.
- carpet composed of fibers and / or bristles, these surfaces possibly being carpets, wall coverings, towels, carpets ...
- the blade therefore solicits the soil fibers to dislodge them dust, immediately caught in an air flow.
- This device works to satisfaction, but the provision of the scraping rule in the middle of the suction channel, thereby reducing the width of said channel by two, may cause, depending on the nozzle configuration, some discomfort when the suction of bulky waste.
- the present invention aims to improve the device presented on the principle of stressing the carpet fibers with immediate suction of suspended dust, regardless of the direction of displacement of the squeegee.
- the present invention is achieved using a vacuum cleaner nozzle having at least one suction channel open to the surface to be cleaned, and connected air flow to a flow channel, said suction channel being substantially transverse to the direction of movement of the nozzle, said nozzle comprising at least one blade capable of being in contact with the surface to cleaning, said blade being parallel to said suction channel, characterized in that that the blade is arranged close in front of the suction channel as seen relative to the direction of movement of the squeegee and in that this blade is secured to the end of an arm, the other end of which pivots freely around an axis parallel to said blade and located substantially above the canal suction.
- this blade approaches the surface to clean, under the effect of its weight and its friction with the surface.
- the simplified device as presented retains the specificity, during the passage of the squeegee on a carpet, a solicitation by scraping the hairs of the carpet prior to suction, said bristles then being spread by the passage of the blade to dislodge the dust, immediately taken in an air flow.
- each of the ends of the blade is secured to an arm pivoting, which gives more rigidity to said blade.
- the blade has stops to stop its movement of swiveling to control the scraping effect and not to brace the blade under the squeegee.
- the latter has two blades located in front of and behind the suction channel.
- the two blades are arranged in a frame delimiting the suction channel and part of the flow channel, said frame being movable pivoting about an axis parallel to the blades.
- the arrangement of the scraping blades at the edges delimiting the channel also makes it possible by adapting the housing of the frame to not restrict the width of said channel at the level of the blades, which is favorable for suction and disposal of "bulky" waste.
- the proposed embodiment is as effective as the nozzle is moved, perpendicular to the scraper blades, in one direction or in the opposite direction.
- the frame has stops to stop its movement of pivoting, which allows to adjust the desired effect of driving the blades in the carpet, while avoiding, by too much rotation, that the boards do not raise the squeegee too much, which would reduce its suction efficiency.
- such stops also provide airtightness of the squeegee at this level, in order to force the sucked air to pass under the scraper blades.
- the blade is protruding from a height between one and five millimeters when the frame pivots against the stops.
- Such values allow the carpet to be stressed in depth without greatly increasing the ground clearance of the squeegee at the canal suction, which could be detrimental to the effectiveness of the nozzle.
- This height can be different on each of the blades in order to differentiate the effect depending on the direction of movement of the squeegee.
- the axis of the frame is arranged directly above the suction channel, which allows the blades to have a rotational movement more penetrating into the surface to be cleaned.
- the axis of the frame is arranged in the median plane of the channel suction.
- This symmetrical arrangement provides the desired effect in an analogous manner depending on whether the squeegee is moved in one direction or in the other, in a direction perpendicular to the scraper blades.
- the nozzle has means for modifying its ground clearance, according to the direction of movement of said nozzle. This asymmetry allows a different level of penetration of the blade into the carpet according to the direction of movement of the squeegee, in order to cause a force of displacement of the squeegee by the user different depending on the direction of movement.
- This level, or ground clearance, can be obtained by an axis of rotation of the frame off center with respect to the median plane of the suction channel.
- the frame has at least one injection channel open to the surface to be treated. It is indeed interesting, so to increase the efficiency of the squeegee, to be able to dislodge the dust from the hairs the carpet using a localized air flow.
- the injection channel is located at the front of at least one of the blades according to the direction of movement of the squeegee, which allows to associate with the better the effect of the air flow with the coating effect of the hairs by the action of the blade on said hairs. The air is thus blown between the hairs separated by the blade.
- blower means connected to the channel injection. This provides, when the vacuum cleaner is turned on, an air intake into the surface to be cleaned in the form of an air jet.
- the injection channel can be connected to a container containing treatment products, such as detergent.
- the injection channel opens in the form of slots or regularly distributed holes on a substantially horizontal and adjoining wall along the blade, said wall being set back inwards from the nozzle by compared to the end of the blade.
- the squeegee advantageously has a mechanism for adjusting the height of the frame in the duct flow and / or suction.
- This mechanism allows, on the one hand, to adjust the height of the blades in the factory according to the types of carpet frequently encountered in various countries, and, on the other hand, it allows the user to adapt his nozzle to different types of carpet he may have in order to make the most of his apparatus.
- the end of the blades can be shaped so as to cause different stresses depending on the scenario encountered, even within the same nozzle.
- the end can thus be either bevelled, and / or crenellated, and / or provided with bristles.
- the vacuum cleaner nozzle according to the invention comprises at least a sealing flap, located at the front and / or rear of the nozzle and / or located at front and / or rear of the suction channel, depending on the direction of movement of the crevice, which increases its efficiency.
- a sealing flap located at the front and / or rear of the nozzle and / or located at front and / or rear of the suction channel, depending on the direction of movement of the crevice, which increases its efficiency.
- a bib can be made of elastomer or made of very flexible bristles.
- the squeegee also has a suction opening open to the surface to be cleaned and connected aeraulically to a flow channel of the air sucked in, said suction opening being free of blades, thus allowing the nozzle to increase the suction surface.
- Another object of the present invention also aims to achieve a dust vacuum cleaner comprising in particular a motor unit capable of generate an air suction flow in conduits terminated by a squeegee open towards the surface to be cleaned, said nozzle being in accordance with one of the previously stated characteristics.
- the nozzle 1 according to the present invention comprises a sole 3 having an opening defining a suction channel 4.
- the usual movement of the squeegee is carried out according to F1 or F2.
- the meaning of displacement F1 can be considered as usual displacement of the squeegee forward, direction F2 as a displacement of the squeegee backwards.
- Moon of the main features of the invention is to have a rule of scraping on the outer edge of the suction channel 4.
- the squeegee in Figure 2 shows two scraping rules 5a, 5b located on either side of the suction channel 4.
- the axes 6a, 6b of rotation of the blades are preferably located near of the median plane of the suction channel so that the blades pivot in a course that virtually penetrates the pile of the carpet.
- the blade 5a located in front of the suction channel according to the displacement of the squeegee, under the effect of friction with the bristles 11 of the ground 8, pivots around the axis 6a in sinking into the pile of the carpet according to the arrow indicated. This causes a scraping of the hairs which favors the extraction of dust immediately entrained by the suction flow in the suction channel.
- the blade 5b pivots in turn, in a similar manner to the blade 5a as previously explained.
- pivoting stops for the blades are preferable to provide pivoting stops for the blades so that they do not get too deep into the pile of the carpet, which could cause tilting of the blade under the suction channel.
- FIGS 3 and 4 schematically illustrate the general principle of a variant embodiment of the invention.
- the nozzle 10 partially presented, has walls 12a and 12b defining a flow channel 14 opening into a suction channel 16 open towards the surface to be cleaned.
- the surface 8 to be cleaned is of the carpet type and includes bristles 11 inlaid dust 13.
- a frame 24 is arranged inside the flow channel 14, so as to present two walls 26a, 26b forming a funnel and defining the suction channel 16.
- the end of the walls 26a, 26b respectively form a strip 27a, 27b of scraping in contact with the carpet pile.
- the lower edge of the blades 27a, 27b can be beveled if a strong whip effect is desired on the bristles, or rounded to protect the floor to be cleaned as much as possible.
- the frame 24 is mounted in rotation about a horizontal axis 18 parallel to the blades 27a, 27b. According to the example proposed, this axis is substantially on the plane median of the suction channel. It can however be shifted towards one of the walls 26a, 26b if it is desired that the action of the blades on the ground be different depending on the direction of movement of the squeegee.
- Stops 30a, 30b, 32a, 32b make it possible to limit the rotation of the frame.
- the stops 30a, 30b are advantageously configured to cooperate respectively with a baffle 34a, 34b formed in the walls 26a, 26b in order to guarantee the tightness, at this level, of the channel suction.
- baffles 34a, 34b and / or the stops 30a, 30b can be fitted with a foam, felt or flexible seal to improve this seal. It is also possible to overmold a soft plastic part at the end of the stops 30a, 30b.
- the height of the blades inside the squeegee can be adjusted in a way prior to the assembly of the squeegee, and / or by the user during the handling said squeegee so that the blade lightly brushes the hairs or more energetically, by being located, during the rotation of the frame, for example halfway up the pile, choice also depending on the type of carpet.
- this convenience also makes it possible to compensate for the wear of the blade. as well as being able to mount plates of different lengths while keeping the same sucker.
- the frame when the nozzle is moved in direction F1 or F2, pivots around axis 18, guided by stops 30a, 30b.
- the effect of the friction of the blades combined with the position of the pivot axis 18 of the frame causes, in the direction of movement F1 or F2 of the squeegee, respectively a rotation of the frame according to G1 and G2 until come against the respective stops 32b, 32a.
- This rotation results in a sinking of the blade located in front of the suction channel in the direction of displacement of the squeegee.
- the pile of the carpet is then agitated by the blade of scraping which promotes the extraction of dust behind this scraper blade. This dust is then immediately collected by suction.
- the rotation of the frame 24 around of the pivot axis 18 can be symmetrical or asymmetrical in order to obtain a different scraping effect depending on the direction of movement of the squeegee.
- This asymmetry can be achieved by positioning or sizing judicious stops and / or a decentering of the axis of rotation of the frame in the suction and / or flow channel. Devices allowing such an effect are widely presented in document WO 00/65979 in the name of the Applicant.
- the squeegee has at least one air injection channel open to the surface to be treated by through holes.
- FIG. 5 The particular structure for carrying out the invention illustrated in FIG. 5 is arranged, for example, on a nozzle 40 of triangular shape, having a front suction mouth 42, extended by two lateral channels 44 and 46.
- a suction channel 43 located at the rear of the nozzle is delimited by a frame 54 as previously described, and whose axis, 58, is mounted in rotation in a part 60 forming a bearing.
- Such a frame also comprises, at the level of the blade 57a, a duct 62 for injecting air and / or treating product, oriented towards the outside of the frame and extending over the entire length of the blade.
- This injection pipe is connected to an injection circuit arranged inside the nozzle. It opens out in the form of slots or holes 64 regularly distributed, said holes being located near the scraper blade 57a.
- This characteristic allows a jet effect where the air takes a directed speed parallel to the axis of the holes. The air thus penetrates deeper into the heart carpet and can reach the bottom of the carpet which is a place difficult to access, and therefore difficult to clean.
- the air flow is oriented in a direction established by the position of the blade which allows to direct the air intake in a less restrictive way and up to vertical.
- the present device can be associated with a so-called “classic” suction, that is to say without a scraper blade, and represented by the opening 42 presented in FIG. 5.
- the injection channel can be connected, according to a first configuration, to the outside of the squeegee.
- the squeegee has air inlet holes allowing inject air taken from outside the nozzle into the surface to be cleaned.
- the injection channel is connected to a container containing treatment products, either in their own right or in association with a outside air intake, as previously described.
- the treatment products used can be in liquid, powdered form, or in the form aerosols, ... It is then possible to combine a mechanical supply action of air and a physicochemical action by the product treating the carpet.
- the shape of the channel as well as that of the openings of said channel towards the surface to be treated can be adapted so that the air comes out in the form of a air gap, which allows better efficiency in drying the carpet and / or the removal of dust embedded in the fibers of the carpet.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
- la figure 1 est une vue schématique en coupe latérale d'un suceur de l'art antérieur,
- la figure 2 représente le principe de fonctionnement de la présente invention, dans une vue en coupe symbolique,
- les figures 3 et 4 représentent le principe de fonctionnement d'une variante de la présente invention, dans une vue schématique selon une coupe latérale,
- la figure 5 est une vue schématique d'un suceur d'aspirateur conforme à une variante de réalisation de la présente invention, dans une vue de dessous,
- la figure 6 est une vue isolée du cadre et des lames présentés en figure 5, dans une vue de dessous.
Claims (25)
- Suceur d'aspirateur (1, 10, 40) présentant au moins un canal d'aspiration (4, 16, 43) ouvert vers la surface (8) à nettoyer, et relié de manière aéraulique à un canal d'écoulement (14), ledit canal d'aspiration (4, 16, 43) étant sensiblement transversal au sens de déplacement du suceur (1, 10, 40), ledit suceur comportant au moins une lame (5a, 5b, 27a, 27b, 57a, 57b) susceptible d'être en contact avec la surface (8) à nettoyer, ladite lame étant parallèle audit canal d'aspiration (4, 16, 43), caractérisé en ce que la lame (5a, 5b, 27a, 27b, 57a, 57b) est agencée à proximité en avant du canal d'aspiration (4, 16, 43) tel que vu par rapport au sens de déplacement du suceur et en ce que cette lame est solidaire de l'extrémité d'un bras dont l'autre extrémité pivote librement autour d'un axe (6a, 6b, 18, 58) parallèle à ladite lame (5a, 5b, 27a, 27b, 57a, 57b) et situé sensiblement à l'aplomb du canal d'aspiration (4, 16, 43).
- Suceur d'aspirateur (1, 10, 40) selon la revendication précédente, caractérisé en ce que chacune des extrémités de la lame (5a, 5b) est solidaire d'un bras pivotant (7a, 7b).
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications 1 ou 2, caractérisé en ce que la lame (5a, 5b, 27a, 27b, 57a, 57b) comporte des butées d'arrêt (30a, 30b, 32a, 32b) de son mouvement de pivotement.
- Suceur d'aspirateur (1, 10, 40) selon la revendication précédente, caractérisé en ce qu'il comporte deux lames (5a, 5b, 27a, 27b, 57a, 57b) situées en avant et en arrière du canal d'aspiration (4, 16, 43).
- Suceur d'aspirateur (10, 40) selon la revendication précédente, caractérisé en ce que les deux lames (27a, 27b, 57a, 57b) sont agencées en un cadre (24, 54) délimitant le canal d'aspiration (16, 43) et une partie du canal d'écoulement (14), ledit cadre (24, 54) étant mobile en pivotement autour d'un axe (18, 58) parallèle aux lames (27a, 27b, 57a, 57b)
- Suceur d'aspirateur (10, 40) selon la revendication précédente, caractérisé en ce que le cadre (24, 54) comporte des butées d'arrêt (30a, 30b, 32a, 32b) de son mouvement de pivotement.
- Suceur d'aspirateur (10, 40) selon la revendication précédente, caractérisé en ce que la lame (27a, 27b, 57a, 57b) est protubérante d'une hauteur comprise entre un et cinq millimètres lorsque le cadre (24, 54) pivote contre les butées d'arrêt (30a, 30b, 32a, 32b).
- Suceur d'aspirateur (10, 40) selon l'une des revendications 5 à 7, caractérisé en ce que l'axe (18, 58) du cadre (24, 54) est agencé à l'aplomb du canal d'aspiration.
- Suceur d'aspirateur (10, 40) selon la revendication précédente, caractérisé en ce que l'axe (18, 58) du cadre (24, 54) est agencé dans le plan médian du canal d'aspiration (16, 43).
- Suceur d'aspirateur (10, 40) selon l'une des revendications 5 à 9, caractérisé en ce qu'il dispose de moyens pour modifier la garde au sol du suceur (10, 40), selon le sens de déplacement (F1, F2) dudit suceur.
- Suceur d'aspirateur (10, 40) selon la revendication précédente, caractérisé en ce que les moyens de modification de la garde au sol sont réalisés par le décentrage de l'axe de rotation (18, 58) du cadre (24, 54) par rapport au plan médian du canal d'aspiration (16, 43).
- Suceur d'aspirateur (40) selon l'une des revendications 5 à 11, caractérisé en ce que le cadre (54) dispose d'au moins un canal d'injection (62) ouvert vers la surface à traiter.
- Suceur d'aspirateur (40) selon la revendication précédente, caractérisé en ce que le canal d'injection (62) est situé à l'avant d'au moins une des lames (57a) selon le sens de déplacement du suceur (40).
- Suceur d'aspirateur (40) selon l'une des revendications 12 ou 13, caractérisé en ce que le canal d'injection (62) est relié à des moyens de soufflerie, procurant, lorsque l'aspirateur est mis en marche, une entrée d'air dans la surface à nettoyer.
- Suceur d'aspirateur (40) selon l'une des revendications 12 à 14, caractérisé en ce que le canal d'injection (62) est relié à un récipient contenant des produits traitants.
- Suceur d'aspirateur (40) selon l'une des revendications 12 à 15, caractérisé en ce que le canal d'injection débouche sous la forme de fentes ou de trous (64) régulièrement répartis sur une paroi sensiblement horizontale et attenante le long de la lame (57a), ladite paroi étant située en retrait vers l'intérieur du suceur (40) par rapport à l'extrémité de la lame (57a).
- Suceur d'aspirateur (10, 40) selon l'une des revendications 5 à 16, caractérisé en ce qu'il dispose d'un mécanisme permettant d'ajuster la hauteur du cadre dans le conduit d'écoulement (14) et/ou d'aspiration (16, 43).
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce que les surfaces de contact avec la surface à nettoyer des deux lames (5a, 5b, 27a, 27b, 57a, 57b) sont sensiblement différentes l'une de l'autre.
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce que l'extrémité des lames (5a, 5b, 27a, 27b, 57a, 57b) est biseautée.
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce que l'extrémité des lames (5a, 5b, 27a, 27b, 57a, 57b) est crénelée.
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce que l'extrémité des lames (5a, 5b, 27a, 27b, 57a, 57b) est munie de poils.
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce qu'il comporte au moins une bavette d'étanchéité, située à l'avant et/ou à l'arrière du suceur et/ou située à l'avant et/ou à l'arrière du canal d'aspiration (4, 16, 43), selon le sens de déplacement du suceur (1, 10, 40).
- Suceur d'aspirateur (1, 10, 40) selon la revendication précédente, caractérisé en ce que la bavette est en élastomère ou constituée de poils très souples.
- Suceur d'aspirateur (1, 10, 40) selon l'une des revendications précédentes, caractérisé en ce qu'il dispose, en outre, d'une ouverture d'aspiration (42) ouverte vers la surface à nettoyer et reliée de manière aéraulique à un canal d'aspiration, ladite ouverture d'aspiration (42) étant exempte de lames.
- Aspirateur de poussières comportant notamment un groupe moteur susceptible de générer un flux d'aspiration d'air dans des conduits terminés par un suceur (1, 10, 40) ouvert vers la surface à nettoyer (8), caractérisé en ce que ce suceur (1, 10, 40) est conforme à l'une des revendications 1 à 24.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0206801 | 2002-06-03 | ||
| FR0206801A FR2840180B1 (fr) | 2002-06-03 | 2002-06-03 | Suceur d'aspirateur a dispositif de raclage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1369074A1 true EP1369074A1 (fr) | 2003-12-10 |
| EP1369074B1 EP1369074B1 (fr) | 2009-12-23 |
Family
ID=29433304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03356076A Expired - Lifetime EP1369074B1 (fr) | 2002-06-03 | 2003-05-09 | Suceur d'aspirateur à dispositif de raclage |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1369074B1 (fr) |
| AT (1) | ATE452570T1 (fr) |
| DE (1) | DE60330624D1 (fr) |
| ES (1) | ES2338542T3 (fr) |
| FR (1) | FR2840180B1 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071296A1 (fr) * | 2005-12-20 | 2007-06-28 | Alfred Kärcher Gmbh & Co. Kg | Buse de sol pour aspirateur |
| US10307028B2 (en) | 2016-02-12 | 2019-06-04 | Dyson Technology Limited | Cleaner head for a vacuum cleaner |
| CN112704756A (zh) * | 2021-01-12 | 2021-04-27 | 王梦婷 | 一种电梯按键消毒装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE671420C (de) * | 1937-03-21 | 1939-02-07 | Handstaubsauger G M B H | Saugmundstueck fuer Staubsauger |
| GB855613A (en) * | 1958-09-18 | 1960-12-07 | Hoover Ltd | Improvements relating to suction nozzles |
| EP0200957A1 (fr) * | 1985-04-24 | 1986-11-12 | Siemens Aktiengesellschaft | Buse d'un aspirateur de poussière |
| WO2000065979A1 (fr) * | 1999-04-29 | 2000-11-09 | Seb S.A. | Suceur d'aspirateur a lame de raclage |
-
2002
- 2002-06-03 FR FR0206801A patent/FR2840180B1/fr not_active Expired - Fee Related
-
2003
- 2003-05-09 DE DE60330624T patent/DE60330624D1/de not_active Expired - Lifetime
- 2003-05-09 EP EP03356076A patent/EP1369074B1/fr not_active Expired - Lifetime
- 2003-05-09 ES ES03356076T patent/ES2338542T3/es not_active Expired - Lifetime
- 2003-05-09 AT AT03356076T patent/ATE452570T1/de not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE671420C (de) * | 1937-03-21 | 1939-02-07 | Handstaubsauger G M B H | Saugmundstueck fuer Staubsauger |
| GB855613A (en) * | 1958-09-18 | 1960-12-07 | Hoover Ltd | Improvements relating to suction nozzles |
| EP0200957A1 (fr) * | 1985-04-24 | 1986-11-12 | Siemens Aktiengesellschaft | Buse d'un aspirateur de poussière |
| WO2000065979A1 (fr) * | 1999-04-29 | 2000-11-09 | Seb S.A. | Suceur d'aspirateur a lame de raclage |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007071296A1 (fr) * | 2005-12-20 | 2007-06-28 | Alfred Kärcher Gmbh & Co. Kg | Buse de sol pour aspirateur |
| US10307028B2 (en) | 2016-02-12 | 2019-06-04 | Dyson Technology Limited | Cleaner head for a vacuum cleaner |
| CN112704756A (zh) * | 2021-01-12 | 2021-04-27 | 王梦婷 | 一种电梯按键消毒装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE452570T1 (de) | 2010-01-15 |
| DE60330624D1 (de) | 2010-02-04 |
| EP1369074B1 (fr) | 2009-12-23 |
| FR2840180B1 (fr) | 2004-08-06 |
| ES2338542T3 (es) | 2010-05-10 |
| FR2840180A1 (fr) | 2003-12-05 |
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