EP2117403A1 - Suceur pour aspirateur - Google Patents
Suceur pour aspirateurInfo
- Publication number
- EP2117403A1 EP2117403A1 EP08712809A EP08712809A EP2117403A1 EP 2117403 A1 EP2117403 A1 EP 2117403A1 EP 08712809 A EP08712809 A EP 08712809A EP 08712809 A EP08712809 A EP 08712809A EP 2117403 A1 EP2117403 A1 EP 2117403A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- lint
- rest
- rest surfaces
- characteri
- 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.)
- Withdrawn
Links
- 239000000428 dust Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010407 vacuum cleaning Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 240000005319 Sedum acre Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 or if desired Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads
- A47L9/0613—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads with means specially adapted for picking up threads, hair or the like, e.g. brushes, combs, lint pickers or bristles pads
Definitions
- the present invention relates to a vacuum cleaner nozzle, which nozzle has a front edge and a rear edge, an underside intended to face a floor or some other substructure to be vacuum-cleaned, and an upper part provided with a connection for connecting the nozzle to the vacuum-cleaner, which underside is provided with one front and two rear rest surfaces for supporting of the nozzle on the floor or similar, the front rest surface being positioned centrally along the front edge and the two rear rest surfaces being positioned separate from each other and symmetrically along the rear edge.
- a floor nozzle of the above mentioned type is previously known from e.g. DE-C2 31 00 164 ( ⁇ US 4,458,378) and is intended to be easy to handle also when vacuum-cleaning relatively dense air permeable carpets and thereby to provide for a sufficient cleaning action. Since it is a pure carpet nozzle it is not suitable for vacuum-cleaning smooth, hard floors.
- Nozzles for all-round use can have rolling wheels or sliding strips or steel pins for sliding in order for the nozzles to be easier to push forward and pull back in connection with the vacuum-cleaning. It is a problem in connection with the use of wheels that hair i from humans, dogs and other pets is wound up on the wheel shafts during vacuum- cleaning, finally to brake the rotation of the wheels completely such that, if not noticed in time, the wheel will slide on the floor and a part of the circumference of the wheel will be worn down and become planar.
- Nozzles with sliding strips of fibre material, such as a felt-like material, that extend in the normal direction of movement back and forth of the nozzle during vacuum-cleaning are known e.g.
- GB 400,618 A shows a nozzle with three pads and an outer flange that acts as rest surfaces and the nozzle. Three channels are formed between the pads and the outer flange, a middle channel being in fluid communication with a front and a rear channel, respectively, and containing a centrally positioned exhaust.
- the nozzle seems to be adapted for wall-to-wall fitted carpets or other soft substructures while hard floors might be scratched.
- DE 203 121 836 Ul discloses a nozzle with three pads in contact with the substructure, one or two rear pads and an oblong front pad along the entire length of the front edge, such that the air can be sucked through the short sides of the nozzle.
- nozzle with at least one lint pickup arranged before or after the suction opening.
- the lint pickup(s) is/are arranged to pivot in recesses such that they are folded down when they scrape up lint and are pivoted away when they part with the lint.
- Fig. 1 shows a bottom plate for a nozzle with a central lint pickup 4 at the front edge, and immediately behind it a suction opening 3 followed by a second lint pickup 4'.
- the rear portion of the nozzle is so large that even the second lint pickup 4' is positioned in front of the middle of the nozzle. It seems that the air is sucked in only via one channel that mouths in the short sides of the nozzle.
- One object of the present invention is to achieve a nozzle without any loose parts, which can be used as an all-round nozzle for carpets as well as smooth floors, and which can be produced at low cost and still give the desired cleaning effect in use.
- this objective is achieved by the rest surfaces according to the invention comprising lint pickups that project from the rest surfaces and by the nozzle being free from other rest surfaces that might get in contact with a smooth, hard floor.
- the front, centrally positioned rest surface and its lint pickup take up about a third of the length of the front edge, while the portions on the side thereof of the front edge form front inlet channels for dust loaded air to be sucked into the vacuum cleaner.
- Such a nozzle can be used as an all-round nozzle that is adequately easy to move around on carpets as well as on smooth, hard floors. It has no movable parts whatsoever and is cheap in production.
- the lint pickups have inclined fibres arranged such that the fibres of the front rest surface incline towards the rear edge and the fibres of the rear rest surfaces incline towards the front edge.
- the lint removers can be directly mounted on the rest surfaces but suitably they are recessed pockets formed in the rest surfaces. In that way, adapting between the stiffness of the fibres and their mobility and length projecting from the rest surfaces, is facilitated.
- the lint pickups are moreover protected from being scraped off from the rest surfaces. It is suitable that the lint pickups project a distance in the magnitude of 1 to 2 mm from the rest surfaces.
- the two rear, separately positioned rest surfaces and their lint pickups preferably take up about one third each of the length of the rear edge, and the portion between them of the rear edge forms a centrally positioned rear inlet channel for dust loaded air to be sucked into the vacuum cleaner.
- the chosen positioning of the lint pickups with the central, front one at the apex and the two rear ones at the base corners of an equally sided triangle, and the friction between the inclined fibres of the lint pickups and the substructure to be vacuum-cleaned, will make the nozzle self-cleaning.
- the front inlet channels suitably extend somewhat over the front corners of the nozzle.
- the vacuum-cleaning of corners between walls or between a wall and furniture, etc. is improved.
- the rest surfaces are advantageously designed such that a rest surface portion that is positioned between a lint pickup and an inlet channel that passes it, inclines away from the lint pickup in a direction towards the inlet channel.
- the nozzle preferably comprises a bottom plate in which the rest surfaces and the channels are formed, and a top cover connected to the bottom plate, which cover comprises the connection for connecting the nozzle to the vacuum-cleaner.
- the two front inlet channels each lead to a respective hole through the bottom plate, such that the dust loaded air is sucked into a room that is defined by the cover and the bottom plate.
- These holes are positioned between respective ends of the central, front rest surface and the respective adjoining rear rest surfaces and the bottom plate is designed to split the rear inlet channel in two, such that the two branches formed lead to a respective one of the holes.
- the two front channels are furthermore advantageously extended such that they extend also beyond their own holes and up to the other respective hole. Hereby, the sucked-in air flows are better balanced. If desired, it is also possible to increase the flow velocity the closer to the holes you get, by designing the channels such that their height is gradually decreased from the edges of the nozzle and up to the holes.
- the bottom plate is, at least at one end of each pocket for the associated lint pickup, provided with a recess in order to facilitate introduction of a tool for loosening and exchanging of the lint pickup.
- a lint pickup with other properties, such as for needle-loom carpets or clinker floors that have sharp edges between the slabs.
- the sides of the channels are softly rounded in order to minimize the flow resistance and to prevent building up of sucked-up material in unsuitably formed spots of the channels.
- the front edge is preferably slightly concave in the horizontal direction and the rear edge is slightly convex in the horizontal direction. This makes it easier for the dust to be sucked into the nozzle and at the front edge there will be less friction against e.g. a skirting-board and you do not risk that the nozzle presses the dust balls against the skirting-board.
- a threshold When pulling the nozzle back against a threshold, it will be easier for dust, gravel, etc., to be sucked in centrally at the rear edge and the friction against the threshold will naturally be lower.
- FIG. 1 is a view of an underside of a preferred embodiment of a bottom plate with a lint pickup, for a vacuum cleaner nozzle according to the invention.
- Fig. 2 is a view in perspective of the actual bottom plate in Fig. 1 , without the lint pickups.
- Fig. 3 is a cross-sectional view along line IH-III in Fig. 1.
- Fig. 4 is a view in perspective of the entire vacuum cleaner nozzle.
- the vacuum cleaner nozzle in the drawings has a front edge 10, a rear edge 11 and an underside 12 that is shown in Fig. 1 and intended to face a not shown floor or some other substructure to be vacuum-cleaned, as well as an upper part in the form of a cover 2 that is provided with a connection 3, 6 to connect the nozzle with the vacuum cleaner and that is shown in Fig. 4 and described in greater detail in connection with the description of that figure.
- the underside 12 is provided with one front and two rear rest surfaces to support the nozzle on the floor or the like.
- the front rest surface 13 is positioned centrally along the front edge 10 and the two rear rest surfaces 14 and 15 are positioned separately and symmetrically along the rear edge 11.
- the rest surfaces 13, 14, 15 comprise lint pickups 13', 14', 15' having inclined fibres that project from the rest surfaces 13, 14, 15, arranged such that the fibres of the front rest surface 13 incline towards the rear edge while the fibres of the rear rest surfaces 14, 15 incline towards the front edge, and such that the nozzle is free from other rest surfaces that might get in contact with a smooth, hard floor.
- a nozzle can be used as an all-round nozzle that is adequately easy to move around on carpets as well as on smooth, hard floors. It has no moving parts whatsoever and it is cheap in production and still it gives the desired cleaning effect in use.
- the lint pickups 13', 14', 15' can be mounted directly on the rest surfaces 13, 14, 15, but suitably they are recessed in pockets 23, 24, 25 that are formed in the rest surfaces 13, 14, 15 and are best shown in Fig. 2. In that way, adapting between the stiffness of the fibres and their mobility and length projecting from the rest surfaces 13, 14, 15, is facilitated.
- the lint pickups 13', 14', 15' are moreover protected from being scraped off from the rest surfaces 13, 14, 15. It is suitable that the lint pickups 13', 14', 15' project a distance in the magnitude of 1 to 2 mm from the rest surfaces 13, 14, 15.
- the front, centrally positioned rest surface 13 and its lint pickup 13' preferably take up about a third of the length of the front edge 10, while the portions on the side thereof of the front edge 10 form front inlet channels 16, 17 for dust loaded air to be sucked into the vacuum cleaner. Furthermore, the two rear, separately positioned rest surfaces 14, 15 and their lint pickups 14', 15' similarly take up about one third each of the length of the rear edge 11, and the portion between them of the rear edge 11 forms a centrally positioned rear inlet channel 18 for dust loaded air to be sucked into the vacuum cleaner.
- the front inlet channels 16, 17 suitably extend somewhat over the front corners 19, 20 of the nozzle.
- the rest surfaces 13, 14, 15 are furthermore advantageously designed such that a rest surface portion 13", 14", 15" that is positioned between a lint pickup 13', 14', 15' and an inlet channel 16, 17, 18 that passes it, inclines away from the lint pickup 13', 14', 15' in a direction towards the inlet channel 16, 17, 18.
- the cleaning ability of the nozzle is improved.
- the nozzle preferably comprises a bottom plate 1 in which the rest surfaces 13, 14, 15 and the channels 16, 17 are formed, and a top cover 2 connected to the bottom plate, which cover comprises the connection 3, 6 for connecting the nozzle to the vacuum- cleaner.
- the cover 2 and the connection 3, 6 is shown in Fig. 4 and is described in greater detail in connection with the description of that figure.
- the two front inlet channels 16, 17 each lead to a respective hole 21, 22 through the bottom plate 1, such that the dust loaded air is sucked into a room that is defined by the cover 2 and the bottom plate 1.
- These holes 21, 22 are positioned between respective ends of the central, front rest surface 13 and the respective adjoining rear rest surfaces 14, 15 and the bottom plate 1 is designed to split the rear inlet channel 18 in two, such that the two branches 18a, 18b formed lead to a respective one of the holes 21, 22.
- the two front channels 16, 17 are furthermore advantageously extended such that they extend also beyond their own hole 21 and 22, respectively, and up to the other hole 22 and 21, respectively.
- the sucked-in air flows are better balanced.
- the bottom plate 1 is, suitably at least at one end of each pocket 23, 24, 25 for the associated lint pickup 13', 14', 15', provided with a recess 23', 24', 25' to facilitate introduction of a tool for loosening and exchanging the lint pickup 13', 14', 15'.
- a lint pickup 13', 14', 15' with other properties, such as for needle-loom carpets or clinker floors that have sharp edges between the slabs.
- the sides of the channels 16, 17, 18a, 18b are softly rounded in order to minimize the flow resistance and to prevent building up of sucked-up material in unsuitably formed spots of the channels.
- the front edge 10 is preferably slightly concave in the horizontal direction and the rear edge 11 is slightly convex in the horizontal direction. This makes it easier for the dust to be sucked into the nozzle and at the front edge 10 there will be less friction against e.g. a skirting-board and you do not risk that the nozzle presses the dust balls against the skirting-board.
- a threshold When pulling the nozzle back against a threshold, it will be easier for dust, gravel, etc., to be sucked in centrally at the rear edge 11 and the friction against the threshold will naturally be lower.
- the bottom plate 1 has one front 13 and two rear 14, 15 surfaces that are raised and that have one pocket 23, 24, 25 each for receiving the lint pickups.
- the lint pickup can be attached to a stiff, not shown, carrier.
- the inlet channels 16, 17, 18 lead up to the two suction holes 21 and 22, and the rear channel 18 is shown to be split by a flow divider in two channels 18a and 18b.
- the front inlet channels 16, 17 extend somewhat over the front corners 19, 20 of the nozzle.
- the rest surfaces 13, 14, 15 are designed such that a rest surface portion 13", 14", 15" that is positioned between a pocket 23, 24, 25 and an inlet channel 16, 17, 18 that passes it, inclines away from the pocket 23, 24, 25 in a direction towards the inlet channel 16, 17, 18. It is furthermore clear that the sides of the channels 16, 17, 18a, 18b are softly rounded in order to minimize the flow resistance.
- the lint pickups 13', 15' attached in the pockets 23, 25 have inclined fibres that project from the rest surfaces 13, 15, arranged such that the fibres of the front rest surface 13 incline towards the rear edge 11 of the nozzle while the fibres of the rear rest surface 15 incline towards the front edge 10 of the nozzle.
- the projecting portion of the lint pickups 13', 15' has a length in the magnitude of 1 to 2 mm from the rest surfaces 13, 15.
- the material of the bottom plate 1 can be metal, or if desired, plastics.
- the upper part 2 of the nozzle shown in Fig. 4 and shaped as a cover, is designed as is known per se and is provided with a connection for connecting the nozzle to the vacuum cleaner.
- the connection comprises a T-piece 3 with a lateral pipe portion 4 and a tube shaped pole portion 5 that projects perpendicularly from the middle of the lateral portion.
- the lateral pipe portion 4 is rotatably mounted in the cover 2, such that the tube shaped pole portion 5 projects from the cover 2 and can be freely rotated between an essentially horizontal position and an essentially vertical position.
- One end of an angular pipe 6 is rotatably mounted in the tube shaped pole portion 5.
- the other end of the angular pipe 6 is intended to receive a not shown vacuum cleaner pipe or the like, which connects the nozzle with a not shown vacuum cleaner hose.
- the two rotatable mountings are naturally made not to allow an amount of air through that could otherwise considerable impair the suction ability of the vacuum cleaner.
- the double rotatable mounting in the connection between the vacuum cleaner pipe and the nozzle gives a considerable freedom of movement that makes it easier for the nozzle to access narrow spots.
- the dust loaded air sucked into the nozzle passes through the inlet channels 16, 17, 18a, 18b and the holes 21 and 22, to the room defined by the bottom plate 1 and the cover 2, from which it goes on to the lateral portion 4 and the tube shaped pole portion 5 of the T-piece 3 and leaves the nozzle through the angular pipe 6, in order to be sucked into the vacuum cleaner via the connected vacuum cleaner pipe and the subsequent hose.
- the T-piece 3 is preferably streamlined at least internally in the transition between the lateral pipe portion 4 and the tube shaped pole portion 5, such that each pipe branch has the shape of a pipe bend rather than a pipe elbow.
- the upper part 2 is united with the bottom plate 1 in a suitable way, such as by gluing.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0700393A SE530878C2 (sv) | 2007-02-16 | 2007-02-16 | Munstycke för dammsugare |
PCT/SE2008/050179 WO2008100222A1 (fr) | 2007-02-16 | 2008-02-15 | Suceur pour aspirateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2117403A1 true EP2117403A1 (fr) | 2009-11-18 |
EP2117403A4 EP2117403A4 (fr) | 2011-08-24 |
Family
ID=39690350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08712809A Withdrawn EP2117403A4 (fr) | 2007-02-16 | 2008-02-15 | Suceur pour aspirateur |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100107358A1 (fr) |
EP (1) | EP2117403A4 (fr) |
CN (1) | CN101610705A (fr) |
SE (1) | SE530878C2 (fr) |
WO (1) | WO2008100222A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7979957B2 (en) * | 2008-11-04 | 2011-07-19 | Meyer Gretchen A | Apparatus for collecting lightweight packing particulates |
USD625062S1 (en) * | 2010-01-06 | 2010-10-05 | Evolution Robotics | Cleaning pad assembly |
CN101822513B (zh) * | 2010-04-16 | 2012-09-19 | 东南大学 | 壁面清洁机器人 |
GB2496663B (en) * | 2011-11-18 | 2014-07-30 | Dyson Technology Ltd | A cleaner head |
KR102613447B1 (ko) * | 2016-07-22 | 2023-12-14 | 삼성전자주식회사 | 청소기 |
CN106121263B (zh) * | 2016-08-25 | 2018-04-17 | 秦皇岛嘉善科技服务有限公司 | 一种玻璃幕墙清洗装置 |
EP3616585A1 (fr) * | 2018-08-31 | 2020-03-04 | Koninklijke Philips N.V. | Accessoire d'aspirateur |
CN110960145A (zh) * | 2019-12-31 | 2020-04-07 | 追创科技(苏州)有限公司 | 一种用于吸水刷的吸水结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB400618A (en) * | 1932-04-22 | 1933-10-23 | John James Hambidge | Improvements in or relating to suction nozzles for vacuum cleaning apparatus |
US4458378A (en) * | 1981-01-07 | 1984-07-10 | Vorwerk & Co. Interholding Gmbh | Vacuum cleaner nozzle |
DE20312836U1 (de) * | 2003-08-20 | 2004-01-22 | Mörschel, Siegbert | Saugdüse für ein Saugreinigungsgerät |
DE202005020507U1 (de) * | 2005-12-20 | 2006-04-13 | Alfred Kärcher Gmbh & Co. Kg | Bodendüse für Staubsauger |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319379A (en) * | 1980-04-29 | 1982-03-16 | Carrigan William J | Pickup |
DE10301113B4 (de) * | 2002-03-04 | 2006-04-13 | Schneiderfilz Schneider Gmbh & Co. Kg | Staubsaugerdüse |
-
2007
- 2007-02-16 SE SE0700393A patent/SE530878C2/sv not_active IP Right Cessation
-
2008
- 2008-02-15 WO PCT/SE2008/050179 patent/WO2008100222A1/fr active Application Filing
- 2008-02-15 EP EP08712809A patent/EP2117403A4/fr not_active Withdrawn
- 2008-02-15 US US12/522,223 patent/US20100107358A1/en not_active Abandoned
- 2008-02-15 CN CNA2008800049699A patent/CN101610705A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB400618A (en) * | 1932-04-22 | 1933-10-23 | John James Hambidge | Improvements in or relating to suction nozzles for vacuum cleaning apparatus |
US4458378A (en) * | 1981-01-07 | 1984-07-10 | Vorwerk & Co. Interholding Gmbh | Vacuum cleaner nozzle |
DE20312836U1 (de) * | 2003-08-20 | 2004-01-22 | Mörschel, Siegbert | Saugdüse für ein Saugreinigungsgerät |
DE202005020507U1 (de) * | 2005-12-20 | 2006-04-13 | Alfred Kärcher Gmbh & Co. Kg | Bodendüse für Staubsauger |
Non-Patent Citations (1)
Title |
---|
See also references of WO2008100222A1 * |
Also Published As
Publication number | Publication date |
---|---|
SE530878C2 (sv) | 2008-10-07 |
WO2008100222A1 (fr) | 2008-08-21 |
SE0700393L (sv) | 2008-08-17 |
US20100107358A1 (en) | 2010-05-06 |
EP2117403A4 (fr) | 2011-08-24 |
CN101610705A (zh) | 2009-12-23 |
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