CN112223119A - Dust cover of angle grinder - Google Patents
Dust cover of angle grinder Download PDFInfo
- Publication number
- CN112223119A CN112223119A CN202011122513.1A CN202011122513A CN112223119A CN 112223119 A CN112223119 A CN 112223119A CN 202011122513 A CN202011122513 A CN 202011122513A CN 112223119 A CN112223119 A CN 112223119A
- Authority
- CN
- China
- Prior art keywords
- dust cover
- dust
- angle grinder
- support frame
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 117
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
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
- B24B55/04—Protective covers for the grinding wheel
- B24B55/05—Protective covers for the grinding wheel specially designed for portable grinding machines
-
- 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
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
-
- 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
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 invention discloses a dust cover of an angle grinder, which comprises: the dust cover, a fixing piece fixed on the dust cover through a fastening piece and a dust outlet pipe communicated with the dust cover, wherein the dust outlet pipe is arranged along the cutting direction, the dust cover is provided with a mounting hole, and the fixing piece is fixedly connected to the dust cover outside the mounting hole through the fastening piece; the fastener comprises an L-shaped support frame, wherein the L-shaped support frame comprises a horizontal section movably connected in a support frame sliding groove and a vertical section vertical to the horizontal section. According to the invention, the dust cover is arranged on the angle grinder, the size of the corresponding clamping inner diameter of the support frame can be adjusted according to the outer diameter of the nose of the angle grinder without being limited by various outer diameter sizes of the nose of the angle grinder, the cutting depth of the angle grinder can be adjusted by the cutting cover, the grinding cover can also grind the internal corner part, and dust can be completely absorbed without leakage after the dust cover is connected with the dust collector.
Description
Technical Field
The invention relates to the technical field of protective covers, in particular to a dustproof cover of an angle grinder.
Background
An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials.
A hand-held grinding machine/angle grinder which is generally used in the market is produced and provided with a semicircular iron protective cover for general safety protection during grinding operation, and is only used for symbolically preventing grinding sheets from being broken and flying out and changing the direction of grinding dust. The disadvantages are as follows: a semicircular open type protective cover is provided with grinding tools such as a louver impeller, a grinding wheel piece, a grinding disc, a grinding wheel and a saw blade, a large amount of spark sparks and scrap iron are generated when metal such as a steel plate or an aluminum plate is ground or cut, a large amount of dust and sand particles are generated when wood plates, stone materials or resin plates are ground or cut, 1, pollution is caused to the working environment, 2, harm is caused to the respiratory system and the body health of operators, and 3, after the grinding disc is broken, danger and accidents can be generated when the grinding disc flies out.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the dust cover of the angle grinder, which can adjust the cutting depth of the angle grinder, avoid cutting damage to products, absorb all dust without leaking out and polish internal corners. To achieve the above objects and other advantages in accordance with the present invention, there is provided an angle grinder dust cover including:
the dust cover, a fixing piece fixed on the dust cover through a fastening piece and a dust outlet pipe communicated with the dust cover, wherein the dust outlet pipe is arranged along the cutting direction, the dust cover is provided with a mounting hole, the fixing piece is fixedly connected to the dust cover outside the mounting hole through the fastening piece, and the dust cover is provided with a brush ring;
the fastener includes L type support frame, L type support frame include swing joint in the support frame sliding groove the horizontal segment and with horizontal segment mutually perpendicular's vertical section, be fixed with anti-skidding locating convex block on the vertical section inboard, the rigid coupling has on the upper portion top of vertical section to prevent that the hoop breaks away from colluding.
Preferably, the dust cover is a semicircular shell and is provided with an opening, the opening is provided with a bottom plate, the bottom plate is movably connected to the dust cover, one end of the bottom plate is fixedly connected with a fixing ring, and the other end of the bottom plate is fixedly connected with a clamping strip.
Preferably, the dust cover is close to solid fixed ring one is served and has been seted up the spread groove, the spread groove pass through the connecting pin with gu fixed ring fixed connection, the card strip is the arc form just the border of dust cover is laminated mutually, and the dust cover has seted up an adjusting hole near on card strip terminal surface, it has the hand screw to alternate in the adjusting hole, the card strip is fixed in on the dust cover through the hand screw.
Preferably, the dust cover is provided with at least two sliding grooves around the mounting hole, the sliding grooves are movably connected with fasteners, and the fixing piece is fixed on the dust cover outside the mounting hole through the fasteners.
Preferably, a first included angle a is formed between the dust outlet pipe and the horizontal plane, and the range of the first included angle a is 20-60 degrees.
Preferably, the support frame sliding groove is characterized in that support frame positioning scales are carved on two opposite edges of the support frame sliding groove, a positioning scale groove is carved on the opposite edge of the horizontal section, and the support frame positioning scales are matched with the positioning scale groove.
Preferably, the dust cover includes upper shield body dish and follows the peripheral round of brush crown plate that extends to vertical direction of upper shield body dish, the round draw-in groove has been seted up on the internal surface of brush crown plate, the draw-in groove is fixed with the brush circle through the steel band, the terminal surface and the horizontal plane looks parallel and level of brush crown plate.
Preferably, the brush ring plate includes a high end edge and a bottom end edge opposite to the high end edge, the height of the high end edge is a first height, the height of the bottom end edge is a second height, and the first height is greater than the second height, so that the dust cover is inclined.
Preferably, the upper cover body disc is provided with a detachment groove, a clamping elastic strip is fixedly connected to the detachment groove, a detachment button is fixedly connected to the clamping elastic strip, a clamping block is arranged at one end, close to the detachable blade, of the clamping elastic strip, and the clamping block is clamped with the detachable blade.
Compared with the prior art, the invention has the beneficial effects that:
(1) the angle grinder is characterized in that the brush ring is a flexible brush or a leather ring, the brush ring is convenient to polish and is dustproof, the brush ring plate is designed to be low and high, so that the angle grinder connected with the polishing cover body cannot splash and go out when the angle grinder is inclined, the dust is prevented from being injured, the hose clamp size can be adjusted, the fastener can be adjusted along with the angle grinder, the polishing cover body can be installed on different brand angle grinders of corresponding models, and the angle grinder is simple in overall structure and convenient to operate.
(2) The fastening hose clamp can the resize, and corresponding fastener can be followed the fastening hose clamp and adjusted for this cover body of polishing can be installed in the angle mill of different models, and this fastening mode is simple moreover, and convenient operation through the design that can shirk the blade, makes to connect the mill on this cover body of polishing and can polish the reentrant corner position, and the dust when polishing is taken away through dust removal union coupling dust catcher, avoids the workman to absorb the dust, reduces the harm to health.
(3) The dust cover is in a vertical super-semicircular shape, so that the saw blade can be leaked to the maximum extent, the radius of the rear part of the dust outlet on the dust cover body is reduced, dust is discharged along the air outlet along the direction changed by the rotation of the saw blade to the dust outlet, the width of the dust cover is larger than the diameter of the saw blade actually used, and a space for the dust to go is reserved; the steel bottom plate with a blade groove is arranged below the cover body, the front end pin is connected with the cover body, the vertical surface of the rear side of the bottom plate is provided with a clamping strip with the blade groove, and the bottom plate can move up and down and is fixed by a hand-screwed screw to adjust the cutting depth.
Drawings
FIG. 1 is a schematic three-dimensional structure of a dust cover for an angle grinder according to the present invention;
FIG. 2 is a front view of a dust cover of an angle grinder in accordance with the present invention;
FIG. 3 is a schematic three-dimensional view of the beveled edge of the dust cover of the angle grinder in accordance with the present invention;
FIG. 4 is a top view of an angle grinder dust cover according to the present invention.
In the figure: 1. a dust cover; 2. a dust outlet pipe; 3. a support frame sliding groove; 4. the positioning scale of the bracket; 5. a base plate; 6. a connecting pin; 7. clamping the strip; 8. screwing the screw by hand; 9. a fixing member; 10. a brush ring; 11. a high end edge; 12. a lower end edge; 13. the blades can be detached; 14. the hoop separation prevention hook; 15. the antiskid location lug.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a dust cover for an angle grinder includes: the dust cover comprises a dust cover 1, a fixing part 9 fixed on the dust cover 1 through a fastening piece and a dust outlet pipe 2 communicated with the dust cover 1, wherein the dust outlet pipe 2 is arranged along the cutting direction, a brush ring 10 is arranged on the dust cover 1, a support frame sliding groove 3 is arranged on the dust cover 1, an installation hole is arranged on the dust cover 1, the fixing part 9 is fixedly connected to the dust cover outside the installation hole through the fastening piece, the fixing part 9 is a hose clamp, when the fixing part 9 is loosened, the hose clamp can be hooked on the fixing part 9 through a hose clamp 14, the fixing part 9 can be prevented from being fixed on a corner grinder, the diameter of the fixing part 9 can be adjusted, the corner grinder with different sizes can be installed on the dust cover 1, the size of the dust cover 1 is larger than the outer diameter of a grinding disc/saw blade, a space for the grinding tool or the saw blade to, the dust outlet pipe 2 is connected with a dust collector to collect dust and realize dust-free polishing or cutting; the fastener includes L type support frame, L type support frame include swing joint in support frame sliding slot 3 horizontal segment and with horizontal segment mutually perpendicular's vertical section, be fixed with anti-skidding locating convex block 15 on the vertical section inboard, the rigid coupling has the hoop to prevent breaking away from colluding 14 on the upper portion top of vertical section, and this fastening scheme easy operation can install the different brand angle mills of each corresponding model.
Further, the dust cover 1 is a semicircular shell and is provided with an opening, the opening is provided with a bottom plate 5, the bottom plate 5 is movably connected on the dust cover 1, one end of the bottom plate 5 is fixedly connected with a fixing ring, the other end is fixedly connected with a clamping strip 7, one end of the dust cover 1 close to the fixing ring is provided with a connecting groove, the connecting groove is fixedly connected with the fixed ring through a connecting pin 6, the clamping strip 7 is arc-shaped, the edges of the dust cover 1 are attached, and one end surface of the dust cover 1 close to the clamping strip 7 is provided with an adjusting hole, a hand-screw 8 is inserted in the adjusting hole, the clamping strip 7 is fixed on the dust cover 1 through a hand-screwed screw 8, the clamping strip 7 is fixed on the dust cover 1 through the hand-screwed screw 8, by moving the clamping strip 7, the vertical position of the bottom plate 5 can be adjusted, thereby adjusting the cutting depth of the angle grinder.
Furthermore, the dust cover 1 is provided with at least two sliding grooves 3 around the mounting hole, the sliding grooves 3 are movably connected with fasteners, and the fixing member 9 is fixed on the dust cover outside the mounting hole through the fasteners.
Furthermore, a first included angle a is formed between the dust outlet pipe 2 and the horizontal plane, the range of the first included angle a is 20-60 degrees, and the dust outlet pipe 2 is conveniently connected with a dust collector.
Furthermore, support positioning scales are carved on two opposite edges of the support frame sliding groove, a positioning scale groove is carved on the opposite edge of the horizontal section, and the support positioning scales 4 are matched with the positioning scale groove.
Further, dust cover 1 includes upper shield body dish and follows the peripheral round of brush crown plate that extends to vertical direction of upper shield body dish, the round draw-in groove has been seted up on the internal surface of brush crown plate, the draw-in groove is fixed with brush circle 10 through the steel band, the terminal surface and the horizontal plane looks parallel and level of brush crown plate.
Further, the brush ring plate comprises a high end edge 11 and a bottom end edge 12 opposite to the high end edge, the height value of the high end edge 11 is a first height value, the height value of the bottom end edge 12 is a second height value, and the first height value is larger than the second height value, so that the dust cover 1 is inclined, and when the angle grinder is in a lifting state during grinding, one end of the grinding cover body 1 cannot be suspended in the air, so that grinding dust cannot splash and fall out.
Further, it unloads the groove to go up the cover body dish and seted up one, it has joint elastic strip to take off the rigid coupling in the groove, the rigid coupling has the shirking button on the joint elastic strip, just joint elastic strip is close to and can shirk 13 one ends of blade and be equipped with the fixture block, the fixture block with can shirk 13 looks joints of blade, when polishing the reentrant corner with the angle grinder that this polishing cover body 1 is connected, the accessible is lifted off and can be shirked blade 13 for the reentrant corner can be polished to the angle grinder.
The number of devices and the scale of the processes described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (9)
1. A dust cover for an angle grinder, comprising:
the dust cover comprises a dust cover (1), a fixing part (9) fixed on the dust cover (1) through a fastening piece and a dust outlet pipe (2) communicated with the dust cover (1), wherein the dust outlet pipe (2) is arranged along the cutting direction, a mounting hole is formed in the dust cover (1), the fixing part (9) is fixedly connected to the dust cover outside the mounting hole through the fastening piece, a support frame sliding groove (3) is formed in the dust cover (1), and a brush ring (10) is installed on the dust cover (1);
the fastener includes L type support frame, L type support frame include swing joint in support frame sliding groove (3) the horizontal segment and with horizontal segment mutually perpendicular's vertical section, be fixed with on the vertical section inboard anti-skidding locating convex block (15), the rigid coupling has on the upper portion top of vertical section to prevent that the hoop breaks away from colluding (14).
2. The dust cover of the angle grinder as claimed in claim 1, wherein the dust cover (1) is a semi-circular housing and is provided with an opening, the opening is provided with a bottom plate (5), the bottom plate (5) is movably connected to the dust cover (1), one end of the bottom plate (5) is fixedly connected with a fixing ring, and the other end of the bottom plate is fixedly connected with a clamping strip (7).
3. The dust cover of the angle grinder as claimed in claim 1, wherein one end of the dust cover (1) close to the fixing ring is provided with a connecting groove, the connecting groove is fixedly connected with the fixing ring through a connecting pin (6), the clamping strip (7) is arc-shaped, the edges of the dust cover (1) are attached to each other, an adjusting hole is formed in one end face of the dust cover (1) close to the clamping strip (7), a hand-screw (8) is inserted into the adjusting hole, and the clamping strip (7) is fixed on the dust cover (1) through the hand-screw (8).
4. The dust cover of the angle grinder as claimed in claim 1, wherein the dust cover (1) is provided with at least two sliding grooves (3) around the mounting hole, the sliding grooves (3) are movably connected with fasteners, and the fixing member (9) is fixed on the dust cover outside the mounting hole through the fasteners.
5. The dust cover of the angle grinder as claimed in claim 1, wherein a first included angle a is formed between the dust outlet pipe (2) and the horizontal plane, and the range of the first included angle a is 20-60 °.
6. The angle grinder dust cover according to any one of claims 1 or 4, wherein the support frame sliding groove is carved with support frame positioning scales on two opposite edges, the horizontal section is carved with positioning scale grooves on the opposite edges, and the support frame positioning scales (4) are matched with the positioning scale grooves.
7. The dust cover of the angle grinder as claimed in claim 1, wherein the dust cover (1) comprises an upper cover plate and a brush ring plate extending in a vertical direction around the periphery of the upper cover plate, the inner surface of the brush ring plate is provided with a ring of slots, the slots are fixed with the brush ring (10) through steel bands, and the end surface of the brush ring plate is flush with the horizontal plane.
8. The dust cover of an angle grinder as claimed in claim 7, wherein the brush ring plate includes a high end edge (11) and a bottom end edge (12) opposite to the high end edge, the height of the high end edge (11) is a first height value, the height of the bottom end edge (12) is a second height value, and the first height value is greater than the second height value, so that the dust cover (1) is inclined.
9. The dust cover of the angle grinder as claimed in claim 7, wherein the upper cover body disk is provided with a release slot, a clamping elastic strip is fixedly connected in the release slot, a release button is fixedly connected on the clamping elastic strip, a clamping block is arranged at one end of the clamping elastic strip close to the removable blade (13), and the clamping block is clamped with the removable blade (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122513.1A CN112223119A (en) | 2020-10-20 | 2020-10-20 | Dust cover of angle grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122513.1A CN112223119A (en) | 2020-10-20 | 2020-10-20 | Dust cover of angle grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112223119A true CN112223119A (en) | 2021-01-15 |
Family
ID=74118696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011122513.1A Pending CN112223119A (en) | 2020-10-20 | 2020-10-20 | Dust cover of angle grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112223119A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411433A (en) * | 1994-06-13 | 1995-05-02 | Dynabrade, Inc. | Dust-collecting apparatus |
| US20020151262A1 (en) * | 2000-01-10 | 2002-10-17 | Guenther Berger | Angle grinder with electric drive |
| US20090181605A1 (en) * | 2008-01-15 | 2009-07-16 | Michael Loveless | Dust shroud with adjustable mounting mechanism |
| CN101878093A (en) * | 2007-11-27 | 2010-11-03 | 罗伯特·博世有限公司 | Hand-held power tool |
| DE102009024427A1 (en) * | 2009-06-09 | 2010-12-16 | Metabowerke Gmbh | Protective casing for accommodating drive shaft of angle grinder, has adjusting ring rotatable in peripheral direction opposite to collar, so that ring is adjusted between engaging position and non-engaging position |
| KR20150099624A (en) * | 2014-02-21 | 2015-09-01 | 삼성중공업 주식회사 | Cutting device capable of adjusting cutting depth |
| CN209477989U (en) * | 2019-01-25 | 2019-10-11 | 楼俊 | A kind of polishing machine dust cover |
| CN209919594U (en) * | 2019-05-28 | 2020-01-10 | 山西蓝之盾石材养护工程有限公司 | Dust cover and angle mill for angle mill cutting |
-
2020
- 2020-10-20 CN CN202011122513.1A patent/CN112223119A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411433A (en) * | 1994-06-13 | 1995-05-02 | Dynabrade, Inc. | Dust-collecting apparatus |
| US20020151262A1 (en) * | 2000-01-10 | 2002-10-17 | Guenther Berger | Angle grinder with electric drive |
| CN101878093A (en) * | 2007-11-27 | 2010-11-03 | 罗伯特·博世有限公司 | Hand-held power tool |
| US20090181605A1 (en) * | 2008-01-15 | 2009-07-16 | Michael Loveless | Dust shroud with adjustable mounting mechanism |
| DE102009024427A1 (en) * | 2009-06-09 | 2010-12-16 | Metabowerke Gmbh | Protective casing for accommodating drive shaft of angle grinder, has adjusting ring rotatable in peripheral direction opposite to collar, so that ring is adjusted between engaging position and non-engaging position |
| KR20150099624A (en) * | 2014-02-21 | 2015-09-01 | 삼성중공업 주식회사 | Cutting device capable of adjusting cutting depth |
| CN209477989U (en) * | 2019-01-25 | 2019-10-11 | 楼俊 | A kind of polishing machine dust cover |
| CN209919594U (en) * | 2019-05-28 | 2020-01-10 | 山西蓝之盾石材养护工程有限公司 | Dust cover and angle mill for angle mill cutting |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |
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| RJ01 | Rejection of invention patent application after publication |