CN1440713A - Dust suction device for hand-held power tool - Google Patents
Dust suction device for hand-held power tool Download PDFInfo
- Publication number
- CN1440713A CN1440713A CN 03106452 CN03106452A CN1440713A CN 1440713 A CN1440713 A CN 1440713A CN 03106452 CN03106452 CN 03106452 CN 03106452 A CN03106452 A CN 03106452A CN 1440713 A CN1440713 A CN 1440713A
- Authority
- CN
- China
- Prior art keywords
- exhaust apparatus
- dust exhaust
- pipe
- described dust
- cover part
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 68
- 239000002184 metal Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000012634 fragment Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000004904 shortening Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003323 beak Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
Abstract
A dust extraction apparatus for an electric hand drill having a drill bit and a front handle has an elongate body provided with an internal passage having a front end inlet and a rear end outlet. The positioner matched with the handle positions the body. The inlet has a laterally extending shroud with an innermost end connected to the front body end and an outermost end extending beyond the drill bit. The cover has an open foremost side for resting against the wall and closing off the drilling area. The outlet may be connected to a hose of a vacuum cleaner to generate suction through a passage into the shroud to remove dust generated during drilling. The body has a rear tube and a front tube telescopically coupled within the rear tube and outwardly biased to extend. The body includes a stop fixed to the front tube at an adjustable position, the stop abutting the rear tube to limit the extent of elongation, wherein the front tube is retractable into the rear tube.
Description
Technical field
The present invention relates to a kind of suction (or taking out) dirt device that is used for such as hand-held power tools such as electric hand drills, dust and/or fragment that this device produces in the time of can removing power tool work.
Background technology
This dust exhaust apparatus that generally is used for electric hand drill is known.One type is pack into drill body and started to produce suction by the motor of hand drill of dust exhaust apparatus.The load limit that its structure is very complicated and additional motor properties.Another kind of type is to realize using together dust exhaust apparatus and outside dust catcher through the handle of rig, and still, this configuration is still very complicated.
The objective of the invention is to by proposing a kind ofly, solve or alleviate the problems referred to above at least through improved dust exhaust apparatus.
Summary of the invention
The present invention proposes a kind of dust exhaust apparatus that is used on the hand-held power tool, described hand-held power tool has the front end that supports cutter, and handle is connected with front end.Described dust exhaust apparatus comprises elongated body, and described elongated body has front-end and back-end, and is provided with the inner passage that has the common extension of entrance and exit respectively at front inlet and back body end.The length of body can shorten and extend, and comprises and be used for the fexible bias pressure body to realize the contained spring of elongation.Described dust exhaust apparatus also comprises the locator that is arranged on the body, and described locator and handle are adaptive, so that whole dust exhaust apparatus is positioned on the side of power tool.Inlet comprises from precursor distolateral to the cover spare that extends.Described cover spare has the inside part that is connected with front inlet, extend the outermost part of cutter and extend across and encircle the front side of the opening that encloses the inside part that comprises front inlet and outermost part.The front side of described opening is resisted against on the surface of workpiece and seals the surf zone of described cutter operating position around immediate, and described outermost partly has the hole, and cutter is extended to forward in the cover part, is implemented in the front side of opening and carries out work.Outlet can be connected with the flexible pipe of the vacuum cleaner of outside, and described vacuum cleaner can be by producing suction action to the passage that covers in the part, thus the dust and/or the fragment that produce when removing cutter work.Body comprises the preceding pipe and the back pipe that can telescopically link together, and locator is arranged on the pipe of back.Body also comprises the brake at adjustable place, position on the interior pipe that is fixed in two pipes, and described brake is used near the outer tube of two pipes so that the restriction elongation degree, wherein in pipe can be withdrawn in the outer tube.
The pipe telescopically is connected in the pipe of back before preferred, is outer tube thereby preceding pipe is then managed for interior pipe.
Preferred brake comprises the anchor clamps that extend around interior pipe and engages with the opposite end of anchor clamps fixes on inner pipe screw with anchor clamps.
Preferred cover part is oval, and described cover spare is distolateral to stretching out from precursor.
Preferably front side all open and its shape and size identical with the cover part basically.
Preferred spring comprises the compression helical spring that is contained in coaxially in the outer tube, and described compression helical spring compresses in advance, so that act on simultaneously on two pipes, and outside pipe in the fexible bias pressure.
The cross section of pipe and outer tube is respectively circular and square basically in preferred described.
The preferred orientation device comprises pivot pin, and described pivot pin extends back and be parallel with body basically, is used for inserting in the hole of described handle upper end.
The preferred orientation device comprises hook spare, and described hook spare is with respect to the pivot pin horizontal expansion, and in the time of in pivot pin inserts described hole, described hook spare embeds the upper end of described handle.
The preferred orientation device comprises two parts, described two part adjustment is made it to embed the diverse location of described handle upper end, thereby realize 2 connections.
Preferred cover part meets at right angles with front inlet basically and stretches out from front inlet.
Preferred cover part has peripheral wall, and peripheral wall has opening at the end of the outermost part of cover part, can watch the position of described cutter work from the outside of cover part by this opening.
The peripheral wall of preferred cover part has the edge of the front side of the opening that defines the cover part, and by the relative softer soft band of common extension described edge is protected.
Preferred cover part have by peripheral wall institute around main wall, in main wall formation porose, described hole has the edge, outer endless tube extends back from the edge.
In a preferred embodiment, outlet comprises and being used for and the direct-connected adapter of the flexible pipe of described external vacuum dust catcher.
Preferred adapter on the direction opposite with the cover part from the side to outstanding.
Preferred adapter comprise short relatively pipe fitting part and around pipe fitting partly place can strain sleeve pipe, sleeve pipe serves as plunger, is used for directly being connected with the free end of the flexible pipe of described external vacuum dust catcher.
Preferred sleeve pipe is essentially conical butt, and it outwards reduces gradually.
The body that preferably includes the cover part is made of metal.
Description of drawings
For example the present invention is described in detail below in conjunction with accompanying drawing, wherein shown in the figure:
Fig. 1 is the vertical view of the dust exhaust apparatus that is used for hand-held power tool of the embodiment of the invention;
Fig. 2 is the front perspective view of the dust exhaust apparatus of Fig. 1, illustrates on the handle how dust exhaust apparatus to be installed in the hand drill machine;
Fig. 3 illustrates the dust exhaust apparatus of Fig. 2 and handle is used in front perspective view on the hand drill;
Fig. 4 illustrates the cross sectional plan view of the dust exhaust apparatus that uses the Fig. 1 that has vacuum cleaner;
Fig. 5 is and the corresponding front perspective view of Fig. 2 that the dust exhaust apparatus of shortening is shown;
Fig. 6 is and the corresponding front perspective view of Fig. 3, illustrate shortening dust exhaust apparatus and
Fig. 7 is the cross sectional plan view of the dust exhaust apparatus of Fig. 6.
The specific embodiment
As shown in the figure, the additional dust exhaust apparatus of the present invention 100 that is used for such as electric hand drill 10 hand-held power tools such as grade shown in the figure, when the domestic suction cleaner 30 with the outside is used, dust and/or fragment that this device is produced when being used to remove hand drill 10 work.Hand drill 10 has plastic body 11, and this plastic body 11 comprises the pistol type handle 12 and the front end 13 of the integral body that is positioned at its rear end, and chuck 14 stretches out forward from front end 13, is used for clamping drilling bit 15.Hand drill 10 combines with the plastic handle 20 that separates, and described plastic handle 20 comprises the becket 21 around 13 fastenings of hand drill 10 front ends, thereby makes two hands of user can stably hold hand drill 10.
Back pipe 130 comprises coaxial compression helical spring 131, and described compression helical spring 130 compresses in advance, so that act on simultaneously on the rear end of two pipes 120 and 130, outwards is elastically biased toward inner preceding pipe 120.Because so the diameter of pipe 120 before the diameter of helical spring 130 is substantially equal to is not can passage.120 effects that can overcome spring 131 of preceding pipe are pressed in the back pipe 130 inwards.Therefore, the length of metallic object 110 can be extended and shortening and resiliently biased realization elongation.
Before pipe 120 combine with the brake 140 of the adjustable part in position fixed thereon, be withdrawn into the interior degree of back pipe 130 with pipe 120 before limiting.The screw 142 that engages with its two opposite end on the pipe 120 before brake 140 is fastened on by the marmon clamp 141 that extends around preceding pipe 120 with marmon clamp 141 forms.Unclamp screw 142, can make marmon clamp 141 slide into diverse location along preceding pipe 120.During work, the front end of brake 140 close back pipes 130 also stops preceding pipe 120 to continue to slip in the back pipe 130.The outer surface of preceding pipe 120 preferably is carved with the length scale, is used for determining where brake 140 should be fixed on, thereby determines that successively drill bit 15 can pierce such as much degree of depth in the workpieces such as wall.
Back pipe 130 comprises that approximately being positioned at its length 1/3rd places is fixed by welding in metal locator 132 on its left side.Locator 132 has the body plate 133 on the left side wall that is welded to back pipe 130, and comprises that the both is welded on rise to the bait part 134 and the following hook spare 135 on the plate 133 that is positioned on the tube outer surface of back.The described part 134 of rising to the bait comprises the horizontal pivot pin 134 that extends back and pass plate 133 and be parallel to back pipe 130, following hook spare 135 be with the right angle to pivot pin 134 extend vertical u-shaped.
Back pipe 130 also comprises the short relatively cylindrical metal tube portion 136 that is positioned at its rear end, and described metal tube part 136 is welded on the right side wall of pipe 130, and the circular hole in sidewall realizes and being communicated with of back pipe, and metal tube partly perpendicular to after the Guan Conghou rostrum go out.Metal tube part 136 is served as the outlet 138 of the inner passage of passing body 110 jointly by secure fit sleeve pipe 137 coaxial surrounding thereon.Sleeve pipe 137 is outside tapered conical butt, and described sleeve pipe 137 is made by material that can strain such as rubber or foamed plastics etc.
Before pipe 120 be welded on before pipe 120 crown cap shape foremost cover part 121 and combine.Described cover spare 121 is oval, with pipe fitting part 136 and sleeve pipe 137 or export and manage 120 left sides on the 138 just in time opposite directions and meet at right angles outstanding in the past.Cover part 121 serves as the inlet 128 of the inner passage of passing metallic object 110.
Cover part 121 has oval-shaped straight main wall 122, and described main wall 122 is connected with preceding pipe 120 by the circular hole that forms at its inner terminal, thus being communicated with through this hole realization and preceding pipe.Cover part 121 is included in the peripheral wall 123 of its front side around main wall 122, thereby constitutes the front side 124 of whole openings of cover part 121.Because the end of peripheral wall 123 fractures, form the breach that opens wide, thereby formed the outermost end 125 of opening wide of cover part 121.The elliptical shape of the front side 124 of opening and size are identical with whole cover spare 121 basically, and the front side 124 of the opening inner terminal and the outermost end that extend across and surround cover part 121.
Locator 132 is designed on 2 lateral processes 23 that are connected to handle 20, and the last pivot pin 134 and the following hook spare 135 of locator 132 are fitted to respectively in the hole 24 and groove 26 of projection 23.During work, locator 132 slides backward so that with in pivot pin 134 patchholes 24, and it is interior and suitable with groove 26 that hook spare 135 laterally moves into groove 26 simultaneously, realizes that whereby whole dust exhaust apparatus 100 is positioned at a side of hand drill 10.
As shown in the figure, when dust exhaust apparatus 100 is positioned at this position, along with cover part 121 extends internally, make its outermost end 125 extend drill bit 15, the central shaft that this dust exhaust apparatus body 110 is parallel to the hand drill 10 on its right side extends.More precisely, drill bit 15 extends through the hole that links to each other with endless tube 126 forward and inserts cover part 121, carries out drilling operation in the front side 124 of the opening of cover part 121.
Cover part 121 realizes that with 127 the front side 124 of its openings is resisted against on the surface such as the workpieces such as wall that will hole by rubber is soft, thereby closely surrounds will the hole peripheral region of wall surface of part of drill bit 15.
The outermost end 125 of cover part 121 is opened the most nearby the hole that links to each other with endless tube 126 and link to each other with drill bit thus, thereby is convenient to see the position that drill bit 15 will be holed by the opening of outermost end 125.Be convenient to thus drill bit 15 accurately is positioned at required boring part.
The design of dust exhaust apparatus 100 should make it to combine with above-mentioned vacuum cleaner 30, and described vacuum cleaner 30 has air entry 31, and flexible pipe 32 stretches out from this air entry 31.The sleeve pipe 137 that is positioned at back pipe 130 rear ends serves as adapter, inserts the free end of flexible pipe 32 and therefore realizes directly being connected with flexible pipe 32 is free-ended with the form of plunger that can strain.During work, vacuum cleaner 30 inner passage by dust exhaust apparatus 100 in cover part 121 scopes produces the suction behavior, removes dust and/or fragment that drill bit 15 produces when work.
When drill bit 15 pierced wall, hand drill 10 moved forward usually, thereby compressed dust exhaust apparatus 100.The active force that the preceding pipe 120 of dust exhaust apparatus 100 overcomes contained spring 131 is pressed into back pipe 130.Spring 131 can guarantee that top cover spare 121 continues to abut against wall surface.
The front side of the opening of cover part 121 124 rings enclose its inner terminal and outermost end.Because innermost cover spare end and the front end of dust exhaust apparatus body 110 directly are connected and are overlapping, open side 124 also encircle enclosed described front end, so suck by the inner passage in the open side 124 of covering part 121.This configuration is guaranteed directly to suck on wall surface.
The soft effect with 127 of rubber is that protective cover spare 121 avoids destroying the surface of wall, and the enclosing wall wall surface, thereby stops dust and/or fragment.When sucking, air is inhaled in the cover part 121 through the opening at endless tube 126 and outermost end 125 places, and the air-flow of suction has avoided dust and/or fragment to scatter away by such opening.The edge in the hole that endless tube 126 protections are coupled is not damaged by drill bit 15.
Although the dust exhaust apparatus shown in the figure 100 is positioned at the right side of hand drill 10, but can around ring 21, this dust exhaust apparatus 100 be turned to position, any angle with handle 20 around hand drill 10, for example rotate this dust exhaust apparatus 100, make it to adapt to necessary environment or make dust exhaust apparatus body 110 be positioned at the below of drill bit 15, so that will cover part 121 opening outermost end 125 up, thereby collect dust and/or fragment better.
Although only the invention has been described by way of example above, obviously can be changed to those skilled in the art, and can not be broken away from principle of the present invention and spirit these embodiment.
Claims (19)
1, a kind of dust exhaust apparatus that is used on the hand-held power tool, described hand-held power tool have the front end that supports cutter, and handle is connected with front end, and described dust exhaust apparatus comprises:
Elongated body, described elongated body has front-end and back-end, and be provided with the inner passage that has the common extension of entrance and exit respectively at front inlet and back body end, the length of described body can be shunk and extend, and comprises the contained spring that is used for fexible bias pressure body realization elongation; With
Locator, described locator is arranged on the body, and is adaptive with described handle, so that whole dust exhaust apparatus is positioned on the side of described power tool;
Wherein inlet comprises from precursor distolateral to the cover spare that extends, described cover spare has the front side of the inside part that is connected with front inlet, the outermost part that extends described cutter and opening, the front side of described opening extends across and encircles encloses the inside part and the outermost part that comprises front inlet, thereby be resisted against on the surface of workpiece and seal the surf zone of described cutter operating position around immediate, described outermost partly has the hole, described cutter is extended to forward in the cover part, be implemented in the front side of opening and carry out work;
Its middle outlet can be connected with the flexible pipe of the vacuum cleaner of outside, and described vacuum cleaner can be by producing suction action to the passage that covers in the part, thus the dust and/or the fragment that produce when removing described cutter work;
Wherein body comprises the preceding pipe and the back pipe that can telescopically link together, and locator is arranged on the pipe of back;
It is characterized in that body comprises brake, described brake is fixed on the adjustable part in position on the interior pipe in two pipes, be used near the outer tube of two pipes so that the restriction elongation degree, wherein in pipe can be withdrawn in the outer tube.
2, according to the described dust exhaust apparatus of claim 1, the pipe telescopically is connected in the pipe of back before it is characterized in that, is outer tube thereby preceding pipe is then managed for interior pipe.
3,, it is characterized in that brake comprises the anchor clamps that extend around interior pipe and engage being used for anchor clamps are fixed on inner pipe screw with the opposite end of anchor clamps according to the described dust exhaust apparatus of claim 1.
4,, it is characterized in that covering part for oval, and described cover spare is distolateral to stretching out from precursor according to the described dust exhaust apparatus of claim 1.
5,, it is characterized in that all open front side and its shape and size are identical with the cover part basically according to the described dust exhaust apparatus of claim 1.
6, according to the described dust exhaust apparatus of claim 1, it is characterized in that spring comprises the compression helical spring that is contained in coaxially in the outer tube, and described compression helical spring compresses in advance, so that act on simultaneously on two pipes, outside pipe in the fexible bias pressure.
7,, it is characterized in that the cross section of described interior pipe and outer tube is respectively circular and square basically according to the described dust exhaust apparatus of claim 1.
8, according to the described dust exhaust apparatus of claim 1, it is characterized in that locator comprises pivot pin, described pivot pin extends back and is parallel with body basically, is used for inserting in the hole of described handle upper end.
9, according to the described dust exhaust apparatus of claim 8, it is characterized in that locator comprises hook spare, described hook spare is with respect to the pivot pin horizontal expansion, and in the time of in pivot pin inserts described hole, described hook spare embeds the upper end of described handle.
10, according to the described dust exhaust apparatus of claim 1, it is characterized in that locator comprises two parts, described two part adjustment are made it to embed the diverse location of described handle upper end, thereby realize 2 connections.
11,, it is characterized in that covering part and meet at right angles with front inlet basically and stretch out from front inlet according to the described dust exhaust apparatus of claim 1.
12, according to the described dust exhaust apparatus of claim 1, it is characterized in that covering part and have peripheral wall, peripheral wall forms opening at the end of the outermost part of cover part, can see the position of looking described cutter work from the outside of cover part by this opening.
13, according to the described dust exhaust apparatus of claim 1, the peripheral wall that it is characterized in that covering part has the edge of the front side of the opening that defines the cover part, and by the relative softer soft band of common extension described edge is protected.
14, according to the described dust exhaust apparatus of claim 1, it is characterized in that covering part have by peripheral wall around main wall, in main wall, form porosely, described hole has the edge, outer endless tube extends back from the edge.
15,, it is characterized in that exporting and comprise and being used for and the direct-connected adapter of the flexible pipe of described external vacuum dust catcher according to the described dust exhaust apparatus of claim 1.
16, according to the described dust exhaust apparatus of claim 15, it is characterized in that adapter with the opposite direction of cover part on from the side to outstanding.
17, according to the described dust exhaust apparatus of claim 15, it is characterized in that adapter comprise relatively short pipe fitting part and around pipe fitting partly place can strain sleeve pipe, sleeve pipe serves as plunger, is used for directly being connected with the free end of the flexible pipe of described external vacuum dust catcher.
18, according to the described dust exhaust apparatus of claim 17, it is characterized in that sleeve pipe is essentially conical butt, it outwards is tapered.
19,, it is characterized in that comprising that the body that covers part is made of metal according to the described dust exhaust apparatus of claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK02101450.9 | 2002-02-26 | ||
| HK02101450A HK1048728A2 (en) | 2002-02-26 | 2002-02-26 | Dust suction device for handheld power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1440713A true CN1440713A (en) | 2003-09-10 |
| CN100398047C CN100398047C (en) | 2008-07-02 |
Family
ID=27772892
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03201567 Expired - Lifetime CN2613226Y (en) | 2002-02-26 | 2003-02-26 | Dust suction device for hand-held power tool |
| CNB031064523A Expired - Lifetime CN100398047C (en) | 2002-02-26 | 2003-02-26 | Dust suction device for hand-held power tool |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03201567 Expired - Lifetime CN2613226Y (en) | 2002-02-26 | 2003-02-26 | Dust suction device for hand-held power tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN2613226Y (en) |
| HK (2) | HK1048728A2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489458B (en) * | 2006-07-18 | 2011-08-24 | 戴森技术有限公司 | A cleaning appliance |
| CN102256752A (en) * | 2008-12-19 | 2011-11-23 | 株式会社牧田 | Working tool |
| CN101495267B (en) * | 2006-07-07 | 2013-08-07 | 罗伯特·博世有限公司 | Dust suction adapter device |
| CN108135410A (en) * | 2015-12-21 | 2018-06-08 | 阿尔弗雷德·凯驰两合公司 | Portable hard surface cleaner |
| CN111132590A (en) * | 2017-07-12 | 2020-05-08 | 费斯托工具有限责任公司 | Suction hose for dust suction device |
| WO2021109888A1 (en) * | 2019-12-01 | 2021-06-10 | 南京德朔实业有限公司 | Electric power tool system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139257A (en) * | 2017-06-29 | 2017-09-08 | 浙江中泰绝热材料有限公司 | Warming plate dust arrester |
| DE102018216726A1 (en) * | 2018-09-28 | 2020-04-02 | Robert Bosch Gmbh | Dust extraction device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2548100A1 (en) * | 1975-10-28 | 1977-05-12 | Bosch Gmbh Robert | MOUNTING DEVICE FOR SUCTION OF SMALL DRILLS |
| DE2705410C2 (en) * | 1977-02-09 | 1985-06-13 | Robert Bosch Gmbh, 7000 Stuttgart | Device for sucking off cuttings on a hand machine tool |
| JPH0773817B2 (en) * | 1989-10-14 | 1995-08-09 | 日立工機株式会社 | Dust collection hammer drill |
| DE4014571A1 (en) * | 1990-05-07 | 1991-11-14 | Hilti Ag | SUCTION DEVICE FOR HAND-DRILLED DRILLING AND CHISELING DEVICES |
| DE10022582A1 (en) * | 2000-05-09 | 2001-11-15 | Hilti Ag | Hand tool with suction dust collector |
-
2002
- 2002-02-26 HK HK02101450A patent/HK1048728A2/en not_active IP Right Cessation
-
2003
- 2003-02-26 CN CN 03201567 patent/CN2613226Y/en not_active Expired - Lifetime
- 2003-02-26 CN CNB031064523A patent/CN100398047C/en not_active Expired - Lifetime
- 2003-10-27 HK HK03107725A patent/HK1055888A1/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495267B (en) * | 2006-07-07 | 2013-08-07 | 罗伯特·博世有限公司 | Dust suction adapter device |
| CN101489458B (en) * | 2006-07-18 | 2011-08-24 | 戴森技术有限公司 | A cleaning appliance |
| CN102256752A (en) * | 2008-12-19 | 2011-11-23 | 株式会社牧田 | Working tool |
| CN102256752B (en) * | 2008-12-19 | 2014-06-18 | 株式会社牧田 | Working tool |
| CN108135410A (en) * | 2015-12-21 | 2018-06-08 | 阿尔弗雷德·凯驰两合公司 | Portable hard surface cleaner |
| CN111132590A (en) * | 2017-07-12 | 2020-05-08 | 费斯托工具有限责任公司 | Suction hose for dust suction device |
| CN111132590B (en) * | 2017-07-12 | 2021-05-18 | 费斯托工具有限责任公司 | Suction hose, system and method |
| US11612285B2 (en) | 2017-07-12 | 2023-03-28 | Festool Gmbh | Suction hose for a vacuum cleaner |
| WO2021109888A1 (en) * | 2019-12-01 | 2021-06-10 | 南京德朔实业有限公司 | Electric power tool system |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1048728A2 (en) | 2003-03-28 |
| CN100398047C (en) | 2008-07-02 |
| CN2613226Y (en) | 2004-04-28 |
| HK1055888A1 (en) | 2004-01-30 |
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