CN101939116A - Surface cleaning head - Google Patents
Surface cleaning head Download PDFInfo
- Publication number
- CN101939116A CN101939116A CN2009801042615A CN200980104261A CN101939116A CN 101939116 A CN101939116 A CN 101939116A CN 2009801042615 A CN2009801042615 A CN 2009801042615A CN 200980104261 A CN200980104261 A CN 200980104261A CN 101939116 A CN101939116 A CN 101939116A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- surface cleaning
- cleaning head
- additional nozzle
- impact components
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0229—Suction chambers for aspirating the sprayed liquid
Abstract
The invention relates to a surface cleaning head for cleaning a surface, having a dome-shaped housing (11) that is open on one side, in which at least one spray arm (47, 48) having a spray nozzle (52, 53) is rotatably supported about a rotational axis, wherein the nozzle can be subjected to pressurized cleaning fluid and the same revolves about the rotational axis together with the spray arm in order to apply a surface to be cleaned with a fluid jet. In order to refine the surface cleaning head such that corner regions of the surface to be cleaned can also be subjected to a pressurized cleaning fluid in a simple manner, the invention provides that the surface cleaning head has at least one rotationally fixed additional nozzle (60). Said nozzle can be subjected to pressurized cleaning fluid, and an impact element (68) is associated with the same, which can be subjected to cleaning fluid coming from the additional nozzle.
Description
Technical field
The present invention relates to a kind of surface cleaning head that is used for the clean surface, this surface cleaning head has the housing cap shape, one-sided opening, the mode that the spray arm of at least one band nozzle rotates with the rotation axis that can rotate is bearing in this housing, wherein, nozzle can be subjected to the cleaning solution that is under the pressure and with the spray arm rotation axis circumduction that rotates, in order to liquid beam is applied to surface to be cleaned.
Background technology
By the known this surface cleaning head of Germany Patent document DE 10206013C1.This cleaning head especially is suitable for cleaning rigid surface, and for example stone material platform or wooden platform, garage sail track and gate, garage into.Be cleaning of hard surfaces, the pressure piping of high-pressure cleaning appliance can be connected to this surface cleaning head.Thus, the cleaning solution that is under the pressure can be fed to the nozzle that is arranged at least one spray arm.Cleaning solution can be applied on the surface to be cleaned by nozzle.At this, nozzle bears recoil, and under the influence of recoil, the spray arm rotation axis that rotates rotates.This has realized: in a short period of time big relatively surface is applied cleaning solution.Usually use at least two spray arms, described spray arm has each nozzle, and wherein, all nozzle can be imposed the cleaning solution that is under the pressure simultaneously.In service at surface cleaning head, nozzle is implemented circus movement.Though this has realized in a short period of time big relatively surface being cleaned, to the cleaning of the angular region on the surface difficulty that becomes thus.
Summary of the invention
Task of the present invention is, the surface cleaning head of foundation generic is improved as follows,, can apply the cleaning solution that is under the pressure with the angular region that simple mode is treated the clean surface equally that is.
This task is solved as follows by the present invention in the surface cleaning head of the described type of beginning, promptly, surface cleaning head has at least one additional nozzle that keeps antitorquely, additional nozzle can be applied in the cleaning solution that is under the pressure and attach troops to a unit for additional nozzle impact components, and impact components can impose cleaning solution by additional nozzle.
Except at least one be arranged on the spray arm and rotate jointly the nozzle of rotation axis circumduction with spray arm, by in the surface cleaning head of the present invention, the additional nozzle that uses at least one to keep antitorquely, attaching troops to a unit for this additional nozzle has impact components.The user can apply cleaning solution targetedly by definite zone, the especially diagonal regions that additional nozzle is treated the clean surface.From the cleaning solution bundle of additional nozzle output by with the border circular areas that nozzle limited of the common rotation of each spray arm outside, part is directly got to surface to be cleaned, this cleaning solution bundle is partly got to and is attached troops to a unit on the impact components of additional nozzle.The result that cleaning solution is beaten on impact components is: impact components is subjected to the power towards surface to be cleaned.This power can be delivered on the housing of surface cleaning head from impact components.Such result is: under the situation by additional nozzle output cleaning solution, surface cleaning head bears the power towards surface to be cleaned.The recoil strength that this power and additional nozzle are applied is directed on the contrary.Thus, evitablely by additional nozzle output cleaning solution the time be: surface cleaning head is because the recoil strength of additional nozzle and being lifted away from from surface to be cleaned.
Thus, the strong point by surface cleaning head of the present invention is that the angular region also can access cleaning reliably.For this reason, surface cleaning head has one or more antitorque additional nozzles.Attaching troops to a unit at least one additional nozzle has impact components, thereby is applied to the danger that the recoil strength on the housing is offset at least in part by being applied to the opposite force on the impact components by cleaning solution at least and therefore do not existed surface cleaning head be lifted away from by recoil strength by additional nozzle when the output cleaning solution.As replenishing of the additional nozzle of at least one being with the impact components of attaching troops to a unit, can also use at least one not attach troops to a unit has the additional nozzle of impact components.Can be set to equally: attaching troops to a unit at least one additional nozzle has a plurality of impact components.
Can be set to: the nozzle that respectively remains on the spray arm that is rotated can be applied in the cleaning solution that is under the pressure with at least one additional nozzle simultaneously, thereby whole nozzles of surface cleaning head point to liquid beam surface to be cleaned simultaneously.
Can alternatively be set to: surface cleaning head has switching device shifter, optionally nozzle and/or at least one additional nozzle together with the spray arm rotation is imposed cleaning solution by switching device shifter.This provides following feasibility for the user: treat clean Surface and impose around the liquid beam of spray arm pivot center circumduction and/or impose liquid beam from additional nozzle.Thus, the angular region that especially can treat the clean surface imposes the cleaning solution from additional nozzle targetedly.
Switching device shifter can have at least one operating parts, at least one pedal for example, and the user can select the nozzle of at least one additional nozzle and/or rotation by this operating parts, in order to the clean surface.For example can be set to: switching device shifter has first switching position, in this first switching position, the cleaning solution that only will be under the pressure imposes on and the common nozzle that rotates of spray arm, and has second switching position, in this second switching position, only the cleaning solution that will be under the pressure imposes on additional nozzle.Advantageously, when switching device shifter additionally also has the 3rd switching position,, not only the nozzle with the common rotation of spray arm is imposed cleaning solution but also at least one additional nozzle is imposed cleaning solution in the 3rd switching position.Each switching position can preferably remain on the housing operating parts movingly by at least one by the user and select.
In favourable embodiment, attach troops to a unit in the pivot center ground orientation of impact components at least one additional nozzle, that be connected with housing perpendicular to spray arm.In such orientation scheme, the impact components that is preferably tabular or tab shaped is basically parallel to distribution outwardly to be cleaned.When the impact element apply by the additional nozzle of being attached troops to a unit output, when being in the cleaning solution pressure under, then under the situation that impact components is orientated perpendicular to pivot center, this has just produced corresponding to the maximum reverse power by the caused recoil strength of additional nozzle.
In preferred implementation of the present invention, impact components extend on side direction in the beam area of the cleaning solution of being exported by the additional nozzle of being attached troops to a unit.So-called beam area is meant following angular range at this, is distributed with the cleaning solution of additional nozzle output in this angular range.Beam area can for example be at least 40 °, is preferably 50 ° to 60 °.Impact components stretches into beam area on side direction, thereby the cleaning solution that a part is exported by additional nozzle is obtained by impact components.This a part of cleaning solution is directly got on the impact components and subsequently from additional nozzle and is dripped from impact components.
Impact components preferably extends the center of the beam area of the cleaning solution that additional nozzle exports always.Advantageously, the free terminal zone of impact components is disposed generally on the height of longitudinal axis of the additional nozzle of being attached troops to a unit.
Impact components is extending in the beam area on the side of spray arm in beam area preferably.In such structural scheme, impact components be arranged in beam area as next side, this side is attached troops to a unit in the spray arm of at least one rotation axis rotation of rotating.
In having the embodiment of advantage, the spray arm of at least one rotation axis circumduction that rotates defines following sprinkling zone, spraying the zone is surrounded by ring-shaped cylinder shape wall, on the outside of cylindrical wall, be mounted with extending part (Ansatzteil), extending part extends on the subregion of the periphery of cylindrical wall and defines additional space jointly with cylindrical wall, is furnished with the outlet opening of additional nozzle at least and arranges the impact components of attaching troops to a unit to some extent with this additional nozzle with keeping at a distance in additional space.In such structural scheme, the inner space of housing is divided into: the zone that centers on by cylindrical wall and hold at least one spray arm, and hold additional nozzle outlet opening and hold the zone of attaching troops to a unit in the impact components of this additional nozzle.Can be set at this: whole additional nozzle is positioned in the additional space.In the preferred implementation of surface cleaning head, have only the stub area with its outlet opening of additional nozzle to sink in this additional space.
What have advantage is that extending part is constructed in vertical view V-shapedly.In such embodiment, the additional space that limits by extending part structure and have lower arcuate surface and two sides that form by extending part in vertical view with being substantially triangular in shape, described lower arcuate surface is formed by the cylindrical wall that surround to spray the zone, and described side is preferably protruding crooked or recessed bending.The feasible cleaning to surperficial angular region of leg-of-mutton structural scheme becomes easy.
Advantageously, impact components remains on the outside of spray arm dorsad of cylindrical wall.
Can be set to: impact components is connected integratedly with cylindrical wall.
Preferably, impact components is tabular or tab shaped ground structure.
Cylindrical wall and extending part preferably have each splashproof mechanism on its free margins edge.Can for example use the splashproof lip sheet of being with the wool top band or making as splashproof mechanism by elastomeric material.
At least one additional nozzle preferable configuration is a spray nozzle.But also can use plane injection nozzle or rotary type nozzle.
In the preferable configuration scheme, impact components has the reinforcement rib, also can bear big relatively power thereby strengthen rib.Strengthen the upside towards the additional nozzle of being attached troops to a unit of rib preferred arrangements in the impact components of shock plate.
Description of drawings
Following explanation by preferred implementation of the present invention is used for describing in detail in conjunction with the accompanying drawings, wherein:
Fig. 1 illustrates the perspective diagram by surface cleaning head of the present invention;
Fig. 2 illustrates the profilograph of surface cleaning head among Fig. 1.
The specific embodiment
Schematically illustrate in the drawings by surface cleaning head 10 of the present invention, this surface cleaning head 10 has the housing 11 of the one-sided opening of cap shape, and housing 11 has lower housing portion part 12 and housing upper-part 13.Lower housing portion part 12 is included in the vertical view cylindrical wall 15 in the form of a ring, closed, and cylindrical wall 15 stretches out downwards and has the splashproof mechanism 18 that circulating type distributes at the free margins of cylindrical wall 15 on along 17 from midfeather 16.In addition; lower housing portion part 12 be included in the outside be arranged to cylindrical wall 15 on extending part 20; extending part 20 is configured with first limit 21 and 22, the first limits 21, second limit and second limit 22 substantially V-shapedly and defines housing most advanced and sophisticated 23 and have splashproof mechanism 25 at its underpart free margins equally on along 24 in vertical view.
The cylindrical wall 15 of circulating type with the combined situation of midfeather 16 under define the sprinkling space 27 of housing 11, and extending part 20 with the additional space 28 that defines housing 11 for regional combined time that hides by extending part 20 of cylindrical wall 15.
Housing upper-part 13 comprises shielding part 30, shielding part 30 surface cleaning head 10 vertically in fact prolong in the zone at housing tip 23 on the whole length at lower housing portion part 12, but only extend on the subregion of lower housing portion part 12 in the mode transverse to the longitudinal extension of surface cleaning head 10 at housing tip 23.In addition, housing upper-part 13 comprises the handle 31,32 of two arcs, and handle 31,32 is connected integratedly with shielding part 30 and can be grasped by the user.Shielding part 30 with the distributor chamber 34 that defines housing 11 for regional combined time that hides by shielding part 30 of midfeather 16.Be furnished with central dispense part 37 in distributor chamber 34, input pipe 38 feeds in this central dispense part 37, and input pipe is bearing in the distribution member 37 in the mode that can wind pivot axis 40 pivots that are orientated transverse to pipe longitudinal axis 39.Input pipe 38 has Connection Element 42 on the free terminal of distribution member 37 dorsad at it, thereby the known of high-pressure cleaning appliance and the pressure piping that does not therefore illustrate in the drawings can be linked on the input pipe 38.
Second intake line 57 sets out from distribution member 37, distributes in that distributor chamber 34 is inner, and second intake line 57 sinks in the additional space 28 and have additional nozzle 60 on its free terminal at upside.Additional nozzle 60 is spray nozzle form ground structure, and contrasts ground with the nozzle 52,53 that rotates, and remains on the housing 11 to additional nozzle 60 fixed-site.The cleaning solution that is under the pressure can be from additional nozzle 60 output, and this cleaning solution is distributed in shown in Fig. 2 in the beam area 61 shown in the meaning property.
Cleaning solution optionally or is only delivered to the nozzle 52 and 53 that is arranged on spray arm 47 or 48 from input pipe 38 through the conveying of distribution member 37, or delivers to additional nozzle 60.For this reason, distribution member 37 constitutes switching device shifter, this switching device shifter has the not shown valve piston in order to realize better general view in the drawings, and valve piston is by the pedal 64 and 65 and can be between first switching position and second switching position pass back and forth that is arranged at upside on the housing 11.First switching position at switching device shifter, the valve piston of distribution member 37 discharges the flow path between the input pipe 38 and first intake line 45, and block the flow path between the input pipe 38 and second intake line 57 simultaneously, and second switching position at switching device shifter, distribution member 37 discharges the flow path between the input pipes 38 and second intake line 57, and blocks the flow path between the input pipe 38 and first intake line 45 simultaneously.
By handling pedal 64 and 65, the user can select thus: the user exports the cleaning solution of input via the nozzle 52 and 53 of rotation, or is via additional nozzle 60 outputs.Use additional nozzle 60 to be preferred for the angular region on surface is cleaned.
Below additional nozzle 60, will attach troops to a unit with keeping at a distance and be molded into the outside of cylindrical wall 15 in the impact components that is shock plate 68 forms of additional nozzle 60 with additional nozzle 60, this impact components is at upside, and just the upside towards additional nozzle 60 in impact components has reinforcement rib 69 and protruding from cylindrical wall 14 according to the type of contact pin.Shock plate 68 stretches in the beam area 61 perpendicular to pivot center 55 ground of spray arm 47 and 48 orientation and in the side towards spray arm 47,48 of beam area 61 and goes, wherein, the free terminal of shock plate 68 is disposed generally on the height of longitudinal axis of additional nozzle 60.If the cleaning solution that is under the pressure is exported from additional nozzle 60, then apply the recoil strength of clean surface dorsad on 60 pairs of housings 11 of additional nozzle.A part is got to the upside of shock plate 68 by the cleaning solution of additional nozzle 60 output, thereby 68 pairs of housings 11 of shock plate apply the opposite force with the recoil strength reverse direction of additional nozzle 60.Such result is, even by additional nozzle 60 output cleaning solutions, and the danger that also can not exist surface cleaning head 10 to be lifted away from from surface to be cleaned with the zone at its front portion, contiguous housing tip.
Surface to be cleaned can be by surface cleaning apparatus 10 optionally from applying cleaning solution or apply cleaning solution from additional nozzle 60 around the nozzle 52 and 53 of pivot center 55 circumductions.Cleansing phase is to big surface in a short period of time by the nozzle 52,53 of circumduction, and by using additional nozzle 60, the angular region that can particularly treat the clean surface applies cleaning solution reliably.
Through additional nozzle 60 output cleaning solutions the time, the danger that can not exist housing 11 to be lifted away from from surface to be cleaned owing to the use of shock plate 68 owing to the recoil strength of additional nozzle 60.
Claims (12)
1. the surface cleaning head that is used for the clean surface, described surface cleaning head has the housing of the one-sided opening of cap shape, the mode that at least one spray arm of band nozzle rotates with the rotation axis that can rotate is bearing in the described housing, wherein, described nozzle can be subjected to the cleaning solution that is under the pressure and with described spray arm jointly around described pivot center circumduction, in order to liquid beam is applied to surface to be cleaned, it is characterized in that, described surface cleaning head (10) has at least one additional nozzle that keeps (60) antitorquely, described additional nozzle (60) can be applied in the cleaning solution that is under the pressure and attach troops to a unit for described additional nozzle (60) has impact components (68), can apply cleaning solution to described impact components (68) by described additional nozzle (60).
2. by the described surface cleaning head of claim 1, it is characterized in that described impact components (68) is orientated perpendicular to the pivot center of described at least one spray arm (47,48) (55).
3. by claim 1 or 2 described surface cleaning heads, it is characterized in that described impact components (68) stretches in the beam area (61) by the cleaning solution of described additional nozzle (60) output of being attached troops to a unit and goes on side direction.
4. by the described surface cleaning head of claim 3, it is characterized in that described impact components (68) extends the center by the described beam area (61) of the cleaning solution of described additional nozzle (60) output of being attached troops to a unit always.
5. by claim 3 or 4 described surface cleaning heads, it is characterized in that described impact components (68) is gone stretching in the described beam area (61) of described beam area (61) on the side of described at least one spray arm (47,48).
6. by one of aforementioned claim described surface cleaning head, it is characterized in that, at least one is around the described spray arm (47 of described pivot center (55) circumduction, 48) define the sprinkling zone, described sprinkling zone is surrounded by cylindrical wall (16), on the outside of described cylindrical wall (16), be mounted with extending part (20), described extending part (20) extends on the subregion of the periphery of described cylindrical wall (15) and defines additional space (28) jointly with described cylindrical wall (15), is furnished with the outlet opening of additional nozzle (60) at least and is furnished with the described impact components (68) of attaching troops to a unit in described additional nozzle (60) with described additional nozzle (60) with keeping at a distance in described additional space (28).
7. by the described surface cleaning head of claim 6, it is characterized in that described extending part (20) is V-shaped in vertical view.
8. by claim 6 or 7 described surface cleaning heads, it is characterized in that described impact components (68) remains on the outside of described dorsad at least one spray arm (47,48) of described cylindrical wall (15).
9. by one of aforementioned claim described surface cleaning head, it is characterized in that described impact components (68) is connected integratedly with cylindrical wall (15).
10. by one of aforementioned claim described surface cleaning head, it is characterized in that described impact components (68) is with tabular or tab shaped ground structure.
11., it is characterized in that described impact components (68) has reinforcement rib (69) by one of aforementioned claim described surface cleaning head.
12. by the described surface cleaning head of claim 11, it is characterized in that, described reinforcement rib (69) be arranged in described impact components (68) on the side of the described additional nozzle (20) of being attached troops to a unit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008011506.1 | 2008-02-22 | ||
| DE102008011506A DE102008011506A1 (en) | 2008-02-22 | 2008-02-22 | Surface cleaning head |
| PCT/EP2009/001103 WO2009103486A1 (en) | 2008-02-22 | 2009-02-17 | Surface cleaning head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101939116A true CN101939116A (en) | 2011-01-05 |
| CN101939116B CN101939116B (en) | 2013-06-12 |
Family
ID=40671361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801042615A Active CN101939116B (en) | 2008-02-22 | 2009-02-17 | Surface cleaning head |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2247393B1 (en) |
| CN (1) | CN101939116B (en) |
| DE (1) | DE102008011506A1 (en) |
| PL (1) | PL2247393T3 (en) |
| WO (1) | WO2009103486A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429360A (en) * | 2011-03-07 | 2013-12-04 | 阿尔弗雷德·凯驰两合公司 | High-pressure cleaning device |
| CN112469511A (en) * | 2018-08-09 | 2021-03-09 | 阿尔弗雷德·卡赫欧洲两合公司 | Surface cleaning head |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2817104B1 (en) * | 2012-02-20 | 2023-04-05 | Alfred Kärcher SE & Co. KG | Surface cleaning head and flow resistance element for a surface cleaning head |
| NO20180461A1 (en) * | 2017-04-06 | 2018-10-08 | Abyss Aqua As | Fishfarm cleaning robot |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4191589A (en) * | 1977-04-25 | 1980-03-04 | The John J. Sundheim Family Estate | Method and apparatus for cleaning carpets and surfaces using cleaning fluid |
| DE4129026C1 (en) * | 1991-08-31 | 1993-03-04 | Alfred Kaercher Gmbh & Co, 7057 Winnenden, De | |
| US5265805A (en) * | 1992-08-17 | 1993-11-30 | Artenian Steven M | Rotary lance cleaning apparatus |
| DE19802308C2 (en) * | 1998-01-22 | 2001-05-31 | Horst Laug | Suction device for sandblasting and liquid pressure nozzles |
| EP1027854A1 (en) * | 1999-02-10 | 2000-08-16 | Alto Danmark A/S | Cleaning tool |
| US6151748A (en) * | 2000-03-21 | 2000-11-28 | Environmental Cleaning Systems, Inc. | Carpeting and surface cleaning apparatus |
| DE10206013C1 (en) | 2002-02-14 | 2003-05-22 | Kaercher Gmbh & Co Alfred | Floor-cleaning device comprises a height-adjustable bearing body for a spray arm which is adjusted using an adjusting element rotationally fixed to the housing by a removable connection |
| DE102005010784A1 (en) * | 2005-03-02 | 2006-09-07 | Alfred Kärcher Gmbh & Co. Kg | Splash guard for high pressure cleaning equipment |
| US7891036B2 (en) * | 2005-03-18 | 2011-02-22 | Techtronic Outdoor Products Technology Limited | Multi-function power washer |
| DE102007029245A1 (en) * | 2007-06-13 | 2008-12-18 | Alfred Kärcher Gmbh & Co. Kg | Surface cleaning head |
-
2008
- 2008-02-22 DE DE102008011506A patent/DE102008011506A1/en not_active Withdrawn
-
2009
- 2009-02-17 CN CN2009801042615A patent/CN101939116B/en active Active
- 2009-02-17 WO PCT/EP2009/001103 patent/WO2009103486A1/en active Application Filing
- 2009-02-17 EP EP09711740A patent/EP2247393B1/en active Active
- 2009-02-17 PL PL09711740T patent/PL2247393T3/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429360A (en) * | 2011-03-07 | 2013-12-04 | 阿尔弗雷德·凯驰两合公司 | High-pressure cleaning device |
| CN103429360B (en) * | 2011-03-07 | 2015-11-25 | 阿尔弗雷德·凯驰两合公司 | High-pressure cleaning device |
| CN112469511A (en) * | 2018-08-09 | 2021-03-09 | 阿尔弗雷德·卡赫欧洲两合公司 | Surface cleaning head |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2247393T3 (en) | 2013-01-31 |
| CN101939116B (en) | 2013-06-12 |
| WO2009103486A1 (en) | 2009-08-27 |
| DE102008011506A1 (en) | 2009-08-27 |
| EP2247393A1 (en) | 2010-11-10 |
| EP2247393B1 (en) | 2012-08-29 |
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| C14 | Grant of patent or utility model | ||
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Address after: German Wen Nendeng Patentee after: Alfred Kahn Europe GmbH & Co. kg Address before: German Wen Nendeng Patentee before: Kaercher GmbH & Co. KG Alfred |
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