CN108698200A - Angle grinder dust cover - Google Patents
Angle grinder dust cover Download PDFInfo
- Publication number
- CN108698200A CN108698200A CN201780011429.2A CN201780011429A CN108698200A CN 108698200 A CN108698200 A CN 108698200A CN 201780011429 A CN201780011429 A CN 201780011429A CN 108698200 A CN108698200 A CN 108698200A
- Authority
- CN
- China
- Prior art keywords
- cover body
- cover
- angle grinder
- spring
- dust cover
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to a kind of angle grinder dust covers, including:Cover body for covering circular grinding wheel;It lies at least partially in the first holding track and second and keeps orientable sealing element in track, for cover body is at least partially sealed relative to the surface to be processed by grinding wheel;And connector is sucked out, by the suction connector, surface abrasion product can be sucked out from cover body.First holding track in axial direction passes through at least one spring element spring supporting in cover body along the closed ring Zhou Yanshen and sealing element of cover body about the rotation axis of grinding wheel.
Description
Technical field
The present invention relates to a kind of angle grinder dust covers, including:Cover body for covering circular grinding wheel;Lie at least partially in
One keeps track and second to keep orientable sealing element in track, for by cover body relative to being processed by grinding wheel
Surface is at least partially sealed;And connector is sucked out, by the suction connector, surface abrasion product can be inhaled from cover body
Go out.Sealing element may, for example, be brush curtain, thin plate or the like.
Background technology
Angle grinder dust cover of the type mentioned at the beginning is known from the state of the art in principle.It is used to avoid in grinding
Dust propagate, so as to protect angle grinder user health.
It is known that sealing element, such as circular brush curtain or multiple brushes are equipped for cover body, to cover body to process in workpiece
Surface on close.
Further it is also possible to sealing element is unique individually element of elasticity or the element of multiple individual elasticity.Institute
The element for stating elasticity can be foamed material, elastomer (such as rubber, natural gum etc.) or the like.
It is attached on the surface of workpiece to be processed if covered to angle grinder slight inclination, sealing element can compensate close
Seal the gap that may be generated between cover body and the surface of workpiece to be processed.Sealing element is fastened at this to be kept in track,
The holding track is positioned again on the downside of dust cover, i.e. on the side towards grinding wheel of dust cover.Generally remaining track is
This is clamped in the corresponding slot constituted on dust cover.In order to replace the sealing element of abrasion, will entirely be protected in a manner of actual
Hold that track is pulled out together with the sealing element fastened on it from the slot on the downside of dust cover and new holding track connects
It is clamped in slot with new sealing element.Track is kept to be constructed in the form of the circle or arc that are open thus according to the prior art.By
This keeps track to be flexible and can shape, to which its is relatively rapid and can effectively be come out simultaneously from the slot of protective cover
And it can be again put into the slot on protective cover.
However had the disadvantage according to the holding track that the prior art is constructed in the form of the circle or arc that are open, that is, keep rail
The diameter in road, which is attributed to manufacturing process, has big tolerance, keeps cooperation precision of the holding track in the slot of dust cover significantly bad
Change.Then this can keep track excessive diameter when occur, keep track only very troublesomely just can with or completely
It cannot be in embedded groove.Holding track with too small diameter in contrast cannot be by the entire ring of regulation sealing and dustproof cover
Week.
Invention content
Therefore the task of the present invention is provide a kind of angle grinder dust cover, eliminate disadvantages mentioned above and especially ensure that
The sealing of optimization between dust cover and the surface of workpiece to be processed.
The task is solved by the theme of independent claims 1 and 13.The advantageous form of implementation of the present invention is in appurtenance
It is provided in it is required that.
Therefore a kind of angle grinder dust cover is provided comprising the cover body for covering circular grinding wheel, and include at least
Part orientable sealing element in the first holding track and second keep track, is wanted for cover body relative to by grinding wheel
At least local sealing on the surface of processing, and include that connector is sucked out, by the suction connector, surface abrasion product can be with
It is sucked out from cover body.
It is set as herein according to the present invention, the first holding track exists along the closed ring Zhou Yanshen and sealing element of cover body
In axial direction pass through at least one spring element spring supporting about the rotation axis of grinding wheel in cover body.It may thereby be ensured that closing
In the sealing of the low tolerance and the optimization on dust cover for the cooperation precision for keeping track.
The present invention includes following understanding, that is, especially in the high dry running of angle grinder, cover body is together with according to the prior art
The brush curtain rigidly fastened on it is pulled down by gravity and the suction hose that may be connected on connector is sucked out.Therefore may
Adversely gap is generated between brush curtain and the surface to be processed.By according to the present invention in cover body spring-supported brush curtain,
Brush curtain is always expressed on the surface of processing, thus avoids or be at least substantially reduced gap.
The present invention is related to this same to include following understanding, that is, the brush curtain of abrasion typically can be with about axially direction
With high rigidity, to must adversely spend big power, so that the rigidity for making grinding wheel overcome the brush curtain of abrasion is placed in workpiece
The surface to be processed on.This is because in the angle grinder dust cover of the prior art as being initially mentioned, brush curtain rigidity
Ground is fixed on cover body.
In addition the present invention includes following understanding, that is, the grinding disc of strong wear, especially diamond bowl-type disk, knot
Close new angle grinder dust cover be utilized and user must adversely overcome new angle grinder dust cover also rigidity brush
The grinding disc to have flattened is expressed on the surface of workpiece to be processed by the relatively high rigidity of curtain.The grinding disc of abrasion is herein
The shape being often recessed with height more smaller than new or not used grinding disc, i.e. smaller extent.
In angle grinder dust cover according to the invention, spring element undertakes axial fortune of the sealing element relative to cover body
It is dynamic.Possible radial movement can be compensated by sealing element itself in addition.In scope of the invention, spring element should
The spring element for being interpreted as preferably discrete is acted on rather than just the possible spring of brush curtain in axial direction or flexibility.
In addition the present invention includes following understanding, that is, the angle grinder dust cover of the prior art is for realizing according to the invention
Spring effect cannot be constituted further in this way so that spring element is for example arranged between cover body and angle grinder shell.This
It crosses and is had the disadvantage in the operation on head, that is, the dead weight of the suction hose connected on connector is sucked out will in an undesired manner
The such spring of compression.
It could be provided as in a kind of particularly preferred design of the present invention, angle grinder dust cover has the circumferential direction along cover body
Along the moveable cover portion section of cover body, the excellent setting of the cover portion is for the remaining of covering and release grinding wheel gradually as needed
Part, and extend along the circular arc of cover body and the circle string of cover portion section in its middle ring week.This is surplus by not covered by cover body for grinding wheel
Remaining part can realize that the grinding close to wall is run.It is preferred that equally there is rotary shaft of the sealing element about grinding wheel in cover portion section
Line in axial direction passes through at least one spring element spring-loaded.
In order to ensure entirety or extensive sealing, the advantageous form of implementation setting of another kind of the present invention can be corresponded to
For sealing element in axial direction passes through at least one spring element spring also with regard to the rotation axis of grinding wheel in cover portion section
Support.
It turns out to be advantageously, the basic contact pin that there is spring element preferred level land to constitute.Pass through the basic contact pin, bullet
Spring element can be fixed on cover body and/or cover portion section.It is preferred that carrying out the fixation by pin, screw and/or rivet.In addition also may be used
To be set as, spring element is directly fastened to by backcut in cover body by spring clip.Spring clip is referred to as clip, to
Spring element clips in cover body.In addition spring element can also be directly molded into cover body or over body case.It is excellent in basic contact pin
At least one hole is arranged in choosing, and pin, screw or rivet can be scarfed in the hole.
It alternatively may be set to be, spring element is fastened on keeps track for the first of sealing element and/or second
On.
It is preferred that one spring element or the multiple spring element are arranged in the volume determined by cover body or cover portion section
It is interior.Preferably, there is casing section, the curvature of the casing section to correspond to the curvature of grinding wheel for cover body and/or cover portion section.It is preferred that
Ground, spring element be arranged the section it is adjacent near.Preferably, the rotation axis of spring element and grinding wheel is as far as possible
Setting is in cover body volume or cover portion segment body product.
It turns out to be advantageously, spring element has at least one spring wing stretched out from basic contact pin.It is preferred that spring element
Part is installed in this way so that the orientation of the spring wing of stretching preferably corresponds roughly to the ring week of the outside of cover body.
It may be set to be according to another form of implementation, spring element is also radially arranged.
It alternatively may be set to be, there are two the spring wings stretched out from basic contact pin for spring element tool.It is possible thereby to real
The higher stability of spring element and the spring force of raising in the state assembled now.
The spring wing forms the ellipse relative to circular grinding wheel or relative to grinding cover in the spring element of assembly
The tangent line of matrix.
In a kind of particularly preferred design, spring element has at least one holding camber member, the holding camber member
Composition is used for, and prevents sealing element from the axial abjection in cover body and/or cover portion section.
It could be provided as according to another advantageous form of implementation, camber member kept to be located under cover body with first end
On side, and the axial stopper section for the holding track for being used for sealing element is constituted on the second end, wherein keep camber member
It can radially be deviated about the rotation axis of grinding wheel to replace sealing element.
In addition advantageously, axial stopper section is configured to backstop contact pin, and the backstop contact pin is preferably parallel to basis
Contact pin extends.Advantageously, the axial stopper section for being configured to backstop contact pin has gap, in backstop contact pin and sealing element
Or the contact surface of brush curtain kept between track reduces.The gap preferably causes material saving and the small effect of dust
Face.In addition reduce relative to the rubbing surface of brush curtain, to which the brush curtain can be particularly easy in axial direction move.
It turns out to be advantageously, spring element preferably consists of spring steel one-piece.It is particularly preferred that spring element edge
Axial direction has the spring rate for the rigidity for being less than the brush surrounded by brush curtain.Alternatively, spring element can also multi-piece type
It constitutes.
It is particularly preferred that multiple spring elements are arranged along the ring week of cover body and/or cover portion section.It turns out to be advantageously, having
There are cover body and the angle grinder dust cover of cover portion section to equip five preferred spring elements equally spaced from each other.
In another preferred design, cover body has the opening in center, and by it, drive shaft can extend through center
Opening, for be ground run circular grinding wheel to be mounted on the drive shaft.Slot is preferably comprised in the opening in center,
To which cover body can be fastened in angle grinder with being fixed on rack with form locking and therefore.
The task is solved again by the angle grinder of the angle grinder dust cover including type above-mentioned, wherein cover body is fixed
In rack it is arranged or can be arranged in angle grinder.
Description of the drawings
Other the advantages of, are obtained by the description of the drawings then.It is shown in figure the different embodiments of the present invention.It is attached
Figure, description and claims include a large amount of feature in combination.Those skilled in the art suitably also individually consider the spy
It levies and is combined into suitable other combinations.
Identical and similar component is numbered with identical reference numeral in figure.Wherein:
Fig. 1 shows the vertical view of angle grinder dust cover according to the invention;
Fig. 2 shows include signal according to the angle grinder dust cover according to the invention of the spring element of the first alternative
The first bottom view;
Fig. 3 shows to include the signal according to the angle grinder dust cover according to the invention of the spring element of the first alternative
The second bottom view;
Fig. 4 shows to include the signal according to the angle grinder dust cover according to the invention of the spring element of the first alternative
Third bottom view;
Fig. 5 shows the sectional view of the cutting line A-A in Fig. 1;
Fig. 6 shows the perspective view of the spring element according to the first alternative;
And
Fig. 7 shows the perspective view of the spring element according to the second alternative.
Specific implementation mode
Angle grinder dust cover 100 according to the invention is shown in a top view in Fig. 1.
Angle grinder dust cover 100 has cover body 10, for covering in circular grinding wheel not shown in the figure.The rotation of grinding wheel
Shaft axis R is indicated by chain-dotted line.Angle grinder dust cover 100 equally has cover portion section 20, week of the cover portion section along cover body 10
It can be moved to N along cover body 10.
Cover body 10 constitutes main part for covering grinding wheel, wherein the setting of moveable cover portion section 20 for covering and
Discharge the remaining part of grinding wheel.
As shown in Fig. 2,3,4 and 5, not only cover body 10 but also moveable cover portion section 20 is respectively provided with brush curtain form
Sealing element 30.As being then described in detail, sealing element 30 keeps track 31 and second to keep track 31&apos first;In
Positioning.
Because the angle grinder dust cover 100 of Fig. 1 is not only with cover body 10 but also with cover portion section 20,30 two, brush curtain
Constitute to fraction or be arranged two brush curtains.The sealing element 30 constituted as brush curtain for cover body 10 keeps track 31 first
Middle clamping or positioning.In addition the sealing element 30 constituted as brush curtain for being used for cover portion section 20 keeps track 31&apos second;Middle folder
Tight or positioning.
Brush curtain 30 is used herein to the face seal cover body 10 to be processed and cover portion section 20 relative to material, and the surface exists
Here it is not shown.Surface grinding product during processing (such as grinding) can be by the suction that is arranged on cover body 10
Go out the suction of connector 40.
Brush curtain 30 in axial direction passes through spring element relative to cover body 10 and cover portion section 20 about the rotation axis R of grinding wheel
50 spring supporting of part.It detaches and shows in second embodiment in the first embodiment of spring element 50 in figure 6 and in Fig. 7.
The basic contact pin 51 that spring element 50 is constituted with level land in the first and second embodiment, is connect by the basis
Piece, spring element 50 are fastened in cover body or cover portion section 20.
In first embodiment shown in FIG. 1, spring element 50 fastens (such as calorie is tight) by pin (with reference to figure 2),
Wherein pin is scarfed in hole 52.
The second embodiment of spring element 50 being shown in FIG. 7 corresponds essentially to first embodiment.Distinguish over first
Embodiment, basic contact pin 51 do not have hole.
Not only in first embodiment but also in a second embodiment, spring element have 50 two from basic contact pin 51 along anti-
To the spring wing 53 for being orientated stretching.Spring effect is applied on the holding track 31 of brush curtain 30 by the spring wing 53 respectively.The spring wing
The direction of the 53 circumferential N in the spring element 50 assembled along the outside of cover body 10 is orientated.
First for sealing element 30 keeps track 31 to extend around cover body 10 along closed ring week U.Ring week U edge herein
The circular arc A of cover body 10 and the circle string D of cover portion section 20 extend.
Thus the first holding track 31 essentially forms closed circle, including straight side, i.e. the circle string D of cover portion section 20.
As in figures 2 and 4 it can be seen, the sealing element 30 for cover body 10 only exists in the holding track 31 of the circular arc A along cover body 10
In.The section of the circle string D along cover portion section 20 of track 31 is kept not have sealing element 30.
Holding track 31&apos for receiving the sealing element 30 for being used for cover portion section 20;Along the circular arc B and cover of cover portion section 20
The circle string D of section 20 extends.Sealing element 30, which only exists in, keeps track 31'Along the section of the circular arc B of cover portion section 20.
When angle grinder dust cover 100 show as in Fig. 4 in the closed state (i.e. the closing of cover portion section 20), then use
The section of the circle string D along cover portion section 20 of track 31, the section is kept not to have in the closing of sealing element 30 of cover portion section 20
Sealing element 30.
Cover body 10 and cover portion section 20, which have, keeps camber member 55, and the holding camber member composition is used for, and prevents brush curtain 30
From the axial abjection in cover body 10 or cover portion section 20.In the embodiment illustrated in fig. 1, camber member 55 is kept in axial direction
It is stretched out from the downside of cover body 10 and there is holding track 31, the 31&apos for brushing curtain 30 on its free end;Stopper section.
Axial stopper section is configured to backstop contact pin 57 here, and the backstop contact pin is arranged essentially parallel to the extension of cover body 10.
Camber member 55 is kept to indicate the direction of ground radially by double-head arrow M relative to rotation axis R in order to replace brush curtain
It can deviate.Therefore the sealing element 30 for being configured to brush curtain can be advantageously replaced, without needing special tool thus.
Realize that function is integrated by spring element 50, i.e., on the other hand spring effect on the one hand in axial direction prevents
Brush curtain 30 is deviate from from cover body 10 or cover portion section 20.
As can be drawn from Figure 1, cover body 10 has the opening 11 in center, by its, unshowned drive shaft herein
The opening 11 in center can be extended through, circular grinding wheel will be mounted in the drive shaft.It is constituted in the opening 11 in center
Slot 12 to 10 form locking of cover body and can be fastened in unshowned angle grinder with being therefore fixed on rack.
The spring element 50 being arranged on the edge of the outside of cover body 10 in the volume of cover body 10 passes through its corresponding bullet
Spring effect is applied on the holding track 31 of brush curtain 30 by the spring wing 53.
Reference numerals list
10 cover bodies
The opening in 11 centers
12 slots
20 cover portion sections
30 sealing elements
The first of 31 cover bodies keeps track
31'The second of cover portion section keeps track
40 are sucked out connector
50 spring elements
51 basic contact pin
52 holes
The 53 spring wings
55 keep camber member
57 backstop contact pin
100 angle grinder dust covers
R rotation axis
U ring weeks
N is circumferential
The circular arc of A cover bodies
The circular arc of B cover portion sections
The circle string of D cover portion sections
Claims (13)
1. angle grinder dust cover (100), including:Cover body (10) for covering circular grinding wheel;Lie at least partially in the first holding
Track (31) and second keeps track (31') in orientable sealing element (30), for by cover body (10) relative to by
The grinding wheel surface to be processed at least partially seals;And connector (40) is sucked out, by the suction connector, surface is ground product
It can be sucked out from cover body (10), which is characterized in that the first holding track (31) prolongs along the closed ring all (U) of cover body (10)
Stretch and sealing element (30) in cover body (10) about the rotation axis (R) of grinding wheel in axial direction by least one spring
Element (50) spring supporting.
2. angle grinder dust cover (100) described in accordance with the claim 1, which is characterized in that angle grinder dust cover (100) has edge
The circumferential direction (N) of cover body (10) is used for as needed gradually along the moveable cover portion section (20) of cover body (10), the cover portion section setting
It covers and the remaining part of release grinding wheel, and the ring all (U) is along the circular arc (A) and cover portion section (20) of cover body (10)
Circle string (D) extends.
3. angle grinder dust cover (100) according to claim 2, which is characterized in that in cover portion section (20), equally have close
Envelope element (30) in axial direction passes through at least one spring element (50) spring supporting about the rotation axis of grinding wheel.
4. according to the angle grinder dust cover (100) described at least one of claims 1 to 3, which is characterized in that spring element
(50) the basic contact pin (51) constituted with preferred level land, by the basic contact pin, spring element (50) is fastened on cover body
(10) and/or in cover portion section (20), preferably by pin, screw or tightening of rivet.
5. angle grinder dust cover (100) according to claim 4, which is characterized in that spring element (50) has at least one
A spring wing (53) stretched out from basic contact pin (51), wherein the ring for being orientated the outside for preferably corresponding to cover body (10) is all (U).
6. according to the angle grinder dust cover (100) described at least one of claim 3 to 5, which is characterized in that cover body (10) has
There are at least one holding camber member (55), the holding camber member to be structured to prevent sealing element (30) from cover body (10)
And/or axially deviate from cover portion section (20).
7. angle grinder dust cover (100) according to claim 6, which is characterized in that keep camber member (55) with first end
(55a) is located on the downside of cover body (10) in portion, and the holding for sealing element (30) is constituted on the second end (55b)
The axial stopper section of track (31), wherein keep camber member (55) to replace rotation of the sealing element (30) about grinding wheel
Axis (R) can radially deviate.
8. angle grinder dust cover (100) according to claim 7, which is characterized in that axial stopper section is configured to backstop
Contact pin (57), the backstop contact pin is parallel to basic contact pin (51) and extends and preferably have gap, in backstop contact pin
(57) and the contact surface between track (31) is kept to reduce.
9. according to the angle grinder dust cover (100) described in one of the claims, which is characterized in that spring element (50) one
It constitutes likes, preferably consist of spring steel.
10. according to the angle grinder dust cover (100) described at least one of the claims, which is characterized in that spring element
(50) in axial direction possessed by spring rate be less than sealing element (30) rigidity.
11. according to the angle grinder dust cover (100) described at least one of the claims, which is characterized in that multiple springs
Element (50) is arranged along the ring week of cover body and/or cover portion section.
12. according to the angle grinder dust cover (100) described at least one of the claims, which is characterized in that cover body (10)
Opening (11) with center, drive shaft can extend through the opening, and circular grinding wheel will be mounted in the drive shaft,
Wherein, slot (12) is constituted in the opening (11) in center, to which cover body (10) can be with form locking and therefore with being fixed on rack
It is fastened in angle grinder.
13. angle grinder comprising according to the angle grinder dust cover (100) described at least one of the claims, wherein cover
Body (10) is arranged or can be arranged in angle grinder with being fixed on rack.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16156035.4A EP3208040A1 (en) | 2016-02-17 | 2016-02-17 | Angle grinder dust hood |
| EP16156035.4 | 2016-02-17 | ||
| PCT/EP2017/053240 WO2017140655A1 (en) | 2016-02-17 | 2017-02-14 | Dust collector for angle grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108698200A true CN108698200A (en) | 2018-10-23 |
| CN108698200B CN108698200B (en) | 2020-06-09 |
Family
ID=55361408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780011429.2A Active CN108698200B (en) | 2016-02-17 | 2017-02-14 | Dustproof cover for angle grinder |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190039207A1 (en) |
| EP (2) | EP3208040A1 (en) |
| CN (1) | CN108698200B (en) |
| WO (1) | WO2017140655A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3838480A3 (en) | 2019-10-23 | 2021-07-14 | Black & Decker Inc. | Pole sander |
| EP3812089A1 (en) | 2019-10-23 | 2021-04-28 | Black & Decker Inc. | Pole sander |
| EP3812091B1 (en) * | 2019-10-23 | 2023-05-10 | Black & Decker Inc. | Pole sander |
| EP3812090A3 (en) | 2019-10-23 | 2021-07-21 | Black & Decker Inc. | Pole sander |
| US11867224B2 (en) | 2021-01-27 | 2024-01-09 | Black & Decker Inc. | Locking mechanism for two telescoping poles of a power tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008033377A2 (en) * | 2006-09-12 | 2008-03-20 | Black & Decker Inc. | Sanding tool with pivotally coupled head assembly |
| EP2163356A2 (en) * | 2008-09-12 | 2010-03-17 | Protool GmbH | Hand-held power tool with a covering cap and a dust removal connection |
| EP2202029A2 (en) * | 2008-12-23 | 2010-06-30 | Flex-Elektrowerkzeuge GmbH | Tool holder head for a handheld cleaning/grinding machine and handheld cleaning/grinding machine |
| US20100261417A1 (en) * | 2002-12-23 | 2010-10-14 | O'shannessy Peter | Hand tool support and dust shroud |
| EP2186600B1 (en) * | 2008-11-12 | 2011-11-02 | Collomix Rühr-und Mischgeräte GmbH | Surface grinder, especially concrete grinder |
| EP2479001A1 (en) * | 2011-01-19 | 2012-07-25 | Hitachi Koki Co., Ltd. | Dust collection adapter and power tool including dust collection adapter |
| EP2527089A1 (en) * | 2011-05-27 | 2012-11-28 | Robert Bosch Gmbh | Motor-driven hand-held grinder |
| WO2014086873A1 (en) * | 2012-12-07 | 2014-06-12 | Flex-Elektrowerkzeuge Gmbh | Handheld grinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8137165B2 (en) * | 2008-01-15 | 2012-03-20 | Dust Collection Products, Llc | Dust shroud with adjustable mounting mechanism |
-
2016
- 2016-02-17 EP EP16156035.4A patent/EP3208040A1/en not_active Withdrawn
-
2017
- 2017-02-14 WO PCT/EP2017/053240 patent/WO2017140655A1/en active Application Filing
- 2017-02-14 EP EP17704030.0A patent/EP3416780B1/en active Active
- 2017-02-14 CN CN201780011429.2A patent/CN108698200B/en active Active
- 2017-02-14 US US16/075,718 patent/US20190039207A1/en not_active Abandoned
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100261417A1 (en) * | 2002-12-23 | 2010-10-14 | O'shannessy Peter | Hand tool support and dust shroud |
| WO2008033377A2 (en) * | 2006-09-12 | 2008-03-20 | Black & Decker Inc. | Sanding tool with pivotally coupled head assembly |
| EP2163356A2 (en) * | 2008-09-12 | 2010-03-17 | Protool GmbH | Hand-held power tool with a covering cap and a dust removal connection |
| EP2186600B1 (en) * | 2008-11-12 | 2011-11-02 | Collomix Rühr-und Mischgeräte GmbH | Surface grinder, especially concrete grinder |
| EP2202029A2 (en) * | 2008-12-23 | 2010-06-30 | Flex-Elektrowerkzeuge GmbH | Tool holder head for a handheld cleaning/grinding machine and handheld cleaning/grinding machine |
| EP2479001A1 (en) * | 2011-01-19 | 2012-07-25 | Hitachi Koki Co., Ltd. | Dust collection adapter and power tool including dust collection adapter |
| EP2527089A1 (en) * | 2011-05-27 | 2012-11-28 | Robert Bosch Gmbh | Motor-driven hand-held grinder |
| WO2014086873A1 (en) * | 2012-12-07 | 2014-06-12 | Flex-Elektrowerkzeuge Gmbh | Handheld grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3208040A1 (en) | 2017-08-23 |
| EP3416780B1 (en) | 2019-10-23 |
| EP3416780A1 (en) | 2018-12-26 |
| US20190039207A1 (en) | 2019-02-07 |
| CN108698200B (en) | 2020-06-09 |
| WO2017140655A1 (en) | 2017-08-24 |
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