CN106671030B - Multifunctional electric tool - Google Patents
Multifunctional electric tool Download PDFInfo
- Publication number
- CN106671030B CN106671030B CN201611236114.1A CN201611236114A CN106671030B CN 106671030 B CN106671030 B CN 106671030B CN 201611236114 A CN201611236114 A CN 201611236114A CN 106671030 B CN106671030 B CN 106671030B
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- China
- Prior art keywords
- chain
- output shaft
- mounting head
- assembly
- positioning
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
- B25F1/02—Combination or multi-purpose hand tools with interchangeable or adjustable tool elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a multifunctional electric tool, which belongs to the field of electric tools and comprises a machine body and a mounting head arranged at the front end of the machine body, wherein the side part of the mounting head extends out of an output shaft, the mounting head is detachably connected with a replaceable processing assembly, the processing assembly comprises an angle grinding assembly or a chain saw assembly, two connecting parts are arranged on the mounting head, and the angle grinding assembly and the chain saw assembly are respectively matched and mounted on the corresponding connecting parts and are in transmission connection with the output shaft.
Description
[ field of technology ]
The invention relates to a multifunctional electric tool, and belongs to the field of electric tools.
[ background Art ]
The existing electric tools on the market are various in variety and various in functions, but the driving systems of many electric tools are universal, only the installed working heads are different, such as angle grinder and electric chain saw, and the angle grinder is a cutting tool, the working principle of the angle grinder is that a saw blade is driven by a motor to make rotary motion, so that a workpiece is cut, and the cutting depth is smaller when the workpiece is cut. The working principle of the chain saw is that a driving mechanism is driven by a power device, and a saw chain is driven by the driving mechanism to cut. The depth of the cutting tool is deeper, and the cutting tool is usually used for performing trimming work or forest work, such as cutting, pruning, cutting and the like of trees, and is inconvenient because two electric tools are required to be carried when a user performs cutting work on different trees in different cutting modes.
[ invention ]
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing a multifunctional electric tool which is multipurpose, can meet the requirements of angle grinding cutting and chain saw cutting, improves the utilization rate of a machine body and saves the cost.
The technical problems are solved, and the invention adopts the following technical scheme:
the utility model provides a multi-functional electric tool, includes the fuselage main part and establishes the installation head at fuselage main part front end, the output shaft is stretched out to the lateral part of installation head, the removable processing subassembly that is connected with of installation head, processing subassembly includes angle grinding subassembly or chain saw subassembly, be equipped with two connecting portions on the installation head, angle grinding subassembly and chain saw subassembly match respectively and install on the connecting portion that corresponds, and with output shaft transmission is connected.
Preferably, the mounting head includes a first connection portion correspondingly connected with the angle grinder assembly, the first connection portion including: the angle grinding assembly comprises a grinding disc, wherein a first positioning hole is formed in the grinding disc, the first positioning hole is matched with the non-circular positioning part for positioning, and the grinding disc is tightly pressed on the output shaft by a fixing nut.
Preferably, the mounting head includes a second connection portion correspondingly connected to the chain saw assembly.
Preferably, the second connection part includes: the chain saw assembly comprises a chain wheel and a chain plate support plate, wherein the chain wheel is in transmission connection with the transmission part, and the chain plate support plate is fixed on the fixing hole through a fastener.
Preferably, the fixing holes are provided at four corners of the outer peripheral side of the output shaft; and/or the angle grinder assembly comprises a blade shield mounted on the mounting head through the fixing hole.
Preferably, the chain plate support plate extends towards one side of the mounting head and is provided with a bump, the bump is provided with a groove hole for avoiding the output shaft, and after the chain saw assembly is mounted, the bump abuts against the side face of the mounting head.
Preferably, the transmission part comprises a non-circular positioning part and external threads which are arranged on the output shaft, the chain wheel is provided with a second positioning hole, the second positioning hole is matched with the non-circular positioning part for positioning, and the fixing nut is matched with the external threads for mounting so as to limit the chain wheel on the output shaft; or, the transmission part comprises a non-circular positioning part and a pin hole which are arranged on the output shaft, a second positioning hole is arranged on the chain wheel, the second positioning hole is matched with the non-circular positioning part for positioning, and a cotter pin penetrates through the pin hole to lock the chain wheel on the output shaft.
Preferably, the chain saw assembly further comprises a chain meshed with the chain wheel, a chain plate used for supporting the chain is arranged on the chain plate support plate, a sliding shaft is arranged on the chain plate support plate, a long hole is formed in the chain plate, and the sliding shaft is arranged in the long hole to realize sliding fit of the chain plate and the chain plate support plate.
Preferably, the main body of the machine body is detachably connected with a handle assembly, and the handle assembly is a U-shaped handle or a straight handle.
Preferably, the mounting head is rotatably connected to the main body of the main body.
The beneficial effects of the invention are that:
in the invention, the mounting head is detachably connected with the replaceable processing assembly, the processing assembly comprises the angle grinding assembly or the chain saw assembly, when the electric tool is used as an angle grinder in actual use, the angle grinding assembly is mounted on the mounting head, when the electric tool is used as a chain saw, the angle grinding assembly can be detached, the chain saw assembly is mounted on the mounting head, the whole electric tool is universal in a main body, a user only needs to replace the processing assembly at the front end, the purchasing cost is lower for the user, the carrying is more convenient in working, and the machine body is universal for manufacturers, mass production can be realized, the modularized production effect is realized, and the production cost is greatly reduced.
In terms of structure, the invention adopts two connecting parts for connection, namely a first connecting part and a second connecting part, and when in actual use, a large part of the first connecting part and the second connecting part can be commonly used, such as a non-circular positioning part and external threads on an output shaft, can be used for being in transmission connection with a grinding disc and also can be in transmission connection with a chain wheel, so that the universality is further improved, the chain saw function can be realized without changing the structure of the original angle grinder, the research and development cost is reduced to the minimum, and meanwhile, the chain saw assembly can be sold as a single accessory.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of a first embodiment of the present invention after an angle grinder assembly is installed;
FIG. 2 is a view showing another construction of the angle grinder assembly according to the first embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of the present invention after installation of a chain saw assembly;
FIG. 4 is an exploded view of a chain saw assembly and a main body of a machine in accordance with a first embodiment of the present invention;
FIG. 5 is a schematic view of a structure of a link plate support plate according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a sprocket to output shaft connection in accordance with a second embodiment of the present invention.
[ detailed description ] of the invention
The technical solutions of the embodiments of the present invention will be explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 5, the present embodiment is a hand-held electric tool, specifically, the hand-held electric tool includes a main body 1 and a mounting head 11 disposed at the front end of the main body 1, the side portion of the mounting head 11 extends out of an output shaft 111, a motor is disposed in the main body 1, the motor drives the output shaft 111 to rotate, the mounting head 11 is detachably connected with a replaceable processing assembly, the processing assembly includes an angle grinding assembly 2 or a chain saw assembly 3, when the electric tool is required to be used as an angle grinder in actual use, the angle grinding assembly 2 is mounted on the mounting head 11, when the electric tool is required to be used as a chain saw, the angle grinding assembly 2 is detached, the chain saw assembly 3 is mounted on the mounting head 11, in the whole electric tool, the main body 1 is universal, a user only needs to replace the front end processing assembly, the cost for the user is lower, the cost for purchasing is more convenient, and the electric tool is convenient for the manufacturer to carry, and the electric tool is universal in the main body, the mass production can realize the effect of modularized production, and the production cost is greatly reduced.
Structurally, the mounting head 11 is provided with two connecting parts, the angle grinder assembly 2 and the chain saw assembly 3 are respectively matched and mounted on the corresponding connecting parts and are in transmission connection with the output shaft 111, the angle grinder assembly 2 is correspondingly connected with the first connecting part, the angle grinder assembly 3 is connected with the second connecting part, in the embodiment, a large part of the first connecting part and the second connecting part can be used universally, the universality is further improved, and the chain saw assembly 3 can be mounted on the premise of not changing the structure of the original angle grinder, so that the research and development cost is reduced to the minimum.
In a specific structure, as shown in fig. 1, the first connection portion includes: the angle grinder assembly 2 comprises a grinding disc 20, wherein the grinding disc 20 is provided with a first positioning hole, the cross section of the first positioning hole is consistent with that of the non-circular positioning part 1110, the non-circular positioning part 1110 is arranged to be non-circular, the grinding disc 20 and the output shaft 111 can rotate together, during installation, the first positioning hole is matched with the non-circular positioning part 1110 in shape, a pressing convex ring 1112 for pressing is further arranged on the inner side of the non-circular positioning part 1110, after the non-circular positioning part 1110 is matched with the first positioning hole in position, a fixing nut 12 is screwed onto the output shaft 111 through the external thread 1111, and the grinding disc 20 is pressed between the pressing convex ring 1112 and the fixing nut 12.
Preferably, the fixing nut 12 of this embodiment is provided with more than 2 key holes 121, the fixing nut 12 can be screwed with a key matched with the key holes 121, the key is provided with a plunger matched with the key holes 121, the plunger is inserted into the key holes 121 when matched, the key is turned by a wrench part on the key, and the key is shown in fig. 1 to 5.
In addition, as shown in fig. 2, in this embodiment, the main body 1 of the machine body is detachably connected with a handle assembly, where the handle assembly includes a U-shaped handle 141 and a straight handle 142, the U-shaped handle 141 in fig. 1 is generally used when the chain saw assembly is installed, the U-shaped handle 141 has a relatively obvious effect, and a user can apply pressure to the main body through the U-shaped handle 141, so that the cutting effect is better, the U-shaped handle 141 can serve as a handle, and the portable angle grinder assembly is convenient to carry, and can be used when the angle grinder assembly is installed. Whereas the straight grip 142 is shown in fig. 2, it is generally convenient to use the straight grip 142 when installing the angle grinder assembly.
In addition, the mounting head and the main body of the machine body are rotatable, as in fig. 1, the output shaft is in a side direction, and in fig. 2, the output shaft is in a downward direction, which can be achieved by rotating the mounting head by 90 degrees, so that a user can adjust the mounting head according to the actual processing environment, and in actual use, the best mode when the angle grinder assembly is used is shown in fig. 2, and the best mode when the chain saw assembly is used is shown in fig. 3.
As shown in fig. 3 to 5, the second connection part includes: the chain saw assembly 3 comprises a chain wheel 31 and a chain plate support plate 32, wherein the chain wheel 31 is in transmission connection with the transmission part, the chain plate support plate 32 is fixed on the fixing hole 113 through a fastener, the structure of the transmission part in the embodiment is consistent with that of the first connecting part, and therefore the first connecting part can be universal with the transmission part.
Specifically, the transmission part includes a non-circular positioning part 1110 and an external thread 1111 that are disposed on the output shaft 111, the sprocket 31 is provided with a second positioning hole 311, the second positioning hole 311 is located in a matching manner with the non-circular positioning part 1110, the sprocket 31 is tightly pressed on the output shaft 111 by the fixing nut 12 and the external thread 1111 that are installed in a matching manner, in this embodiment, 4 fixing holes 113 are provided, and 4 fixing holes 113 are respectively disposed at four corners of the outer peripheral side of the output shaft 111, and the link plate support plate 32 is fixed on the side surface of the mounting head 11 through 4 screws. The chain saw assembly 3 further comprises a chain 33 meshed with the chain wheel 31, and a chain plate 34 for supporting the chain 33 is arranged on the chain plate support plate 32, so that after the chain plate support plate 32 is installed, the chain wheel 31 rotates, and the normal use of the chain saw is ensured.
In addition, the 4 fixing holes 113 in the present embodiment have another function, namely, when the angle grinder assembly 2 is installed, the angle grinder assembly 2 further includes a grinding plate shield 21, the grinding plate shield 21 is used to prevent the residue material cut out from splashing on the user when the grinding plate 20 rotates, while the 4 fixing holes 113 in the present embodiment can also be used to install the grinding plate shield 21, so that the versatility is further increased, and the schematic view of the grinding plate shield 21 after installation can be seen in fig. 2.
Meanwhile, the chain saw assembly 3 in this embodiment also includes a chain saw guard 35, and the chain saw guard 35 can be seen in fig. 4, and in this embodiment, the chain saw guard 35 is fixed with the chain plate support plate 32 through a fastening structure, which is convenient to detach and replace, and the fastening structure includes a hook provided on the chain saw guard 35 and a fastening groove 321 provided on the chain plate support plate.
Since the angle grinder is normally used in order to prevent the grinding disc 20 from interfering with the side surface of the mounting head 11 when rotating, a gap is usually formed between the grinding disc 20 and the side surface of the mounting head 11 after the grinding disc 20 is mounted, and the chain saw assembly 3 is mounted, the chain plate support plate 32 does not rotate, so that the gap is not required to be formed, and the chain plate support plate 32 is easy to shake, in order to solve the problem, a lug 36 extends towards one side of the mounting head 11, a slot 361 for avoiding the output shaft 111 is formed in the lug 36, after the chain saw assembly 3 is mounted, the lug 36 abuts against the side surface of the mounting head 11, and the distance between the lug 36 and the gap is filled, so that the connection between the chain plate support plate 32 and the mounting head 11 is more stable.
As a preferred solution, in this embodiment, the link plate 34 is in sliding fit with the link plate support plate 32, a sliding shaft 321 is disposed on the link plate support plate 32, a long hole 341 is disposed on the link plate 34, the sliding shaft 321 is mounted in the long hole 341, and the sliding shaft 321 can slide in the long hole 341, so that the distance between the link plate 34 and the sprocket 31 can be adjusted, and tensioning and loosening effects on the chain 33 are achieved.
Example 2:
as shown in fig. 6, this embodiment is different from embodiment 1 in that the sprocket 31 is not fixed to the output shaft 111 by means of a fixing nut, but is formed by a cotter pin, specifically, a pin hole is formed in the output shaft 111, and when the second positioning hole 311 of the sprocket 31 is matched with the non-circular positioning portion 1110, the cotter pin 15 is inserted into the pin hole, and the sprocket 31 is locked to the output shaft 111 by the cotter pin 15.
While the invention has been described in terms of embodiments, it will be appreciated by those skilled in the art that the invention is not limited thereto but rather includes the drawings and the description of the embodiments above. Any modifications which do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the appended claims.
Claims (7)
1. The multifunctional electric tool comprises a machine body and a mounting head arranged at the front end of the machine body, wherein the side part of the mounting head extends out of an output shaft;
the installation head includes the first connecting portion that corresponds with the angle mill subassembly and be connected, first connecting portion includes: the angle grinding assembly comprises a grinding disc, a first positioning hole is formed in the grinding disc, the first positioning hole is matched with the non-circular positioning part for positioning, and a fixing nut is used for tightly pressing the grinding disc on the output shaft;
the mounting head comprises a second connecting part correspondingly connected with the chain saw assembly;
the second connection part includes: the chain saw assembly comprises a chain wheel and a chain plate support plate, wherein the chain wheel is in transmission connection with the transmission part, and the chain plate support plate is fixed on the fixing hole through a fastener.
2. The multifunctional electric tool according to claim 1, wherein the fixing holes are provided at four corners of the outer peripheral side of the output shaft; and/or the angle grinder assembly comprises a grinding disc shield, and the grinding disc shield is mounted on the mounting head through the fixing hole.
3. The tool of claim 1, wherein the link plate support plate extends toward the mounting head, and a relief slot is formed in the relief slot for relieving the output shaft, and the relief slot abuts against a side surface of the mounting head after the chain saw assembly is mounted.
4. The multifunctional electric tool according to claim 1, wherein the transmission part comprises a non-circular positioning part and an external thread which are arranged on the output shaft, the chain wheel is provided with a second positioning hole, the second positioning hole is matched with the non-circular positioning part for positioning, and the fixing nut is matched with the external thread for mounting so as to limit the chain wheel on the output shaft; or, the transmission part comprises a non-circular positioning part and a pin hole which are arranged on the output shaft, a second positioning hole is arranged on the chain wheel, the second positioning hole is matched with the non-circular positioning part for positioning, and a cotter pin penetrates through the pin hole to lock the chain wheel on the output shaft.
5. The multifunctional electric tool according to claim 1, wherein the chain saw assembly further comprises a chain meshed with the chain wheel, a chain plate for supporting the chain is arranged on the chain plate support plate, a sliding shaft is arranged on the chain plate support plate, a long hole is arranged on the chain plate, and the sliding shaft is installed in the long hole to realize sliding fit of the chain plate and the chain plate support plate.
6. The multi-purpose power tool of any one of claims 1 to 5, wherein a handle assembly is detachably attached to the main body of the main body, and the handle assembly is a U-shaped handle or a straight handle.
7. The multi-purpose power tool of any one of claims 1 to 5, wherein the mounting head is rotatably coupled to the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236114.1A CN106671030B (en) | 2016-12-28 | 2016-12-28 | Multifunctional electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611236114.1A CN106671030B (en) | 2016-12-28 | 2016-12-28 | Multifunctional electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106671030A CN106671030A (en) | 2017-05-17 |
| CN106671030B true CN106671030B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611236114.1A Active CN106671030B (en) | 2016-12-28 | 2016-12-28 | Multifunctional electric tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN106671030B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113733019B (en) * | 2021-09-23 | 2024-03-12 | 浙江嘉宏工具制造有限公司 | Multifunctional multi-angle switching electric tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511321A (en) * | 2009-02-20 | 2012-06-27 | 苏州宝时得电动工具有限公司 | Chain saw |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2292000Y (en) * | 1997-06-04 | 1998-09-23 | 梁玉珊 | Combined multi-purpose power driven tools |
| DE19833126A1 (en) * | 1998-07-23 | 2000-01-27 | Stihl Maschf Andreas | Hand held motor chain saws, containing combustion air channel extending tangentially to fan wheel rotation direction and leading straight into air filter, and having channel entrance formed by fan wheel housing base |
| CA2335191A1 (en) * | 2001-02-27 | 2001-05-12 | Bill Seabrooke | Nu-grind |
| DE10139590B4 (en) * | 2001-08-11 | 2015-07-23 | Andreas Stihl Ag & Co. | Guide rail for a hand-held implement |
| CN2527399Y (en) * | 2002-01-10 | 2002-12-25 | 黄悠龙 | Portable electric tool |
| TW200706324A (en) * | 2005-08-05 | 2007-02-16 | Yang Wen Jeng | Power tool in multipurpose |
| CN100571996C (en) * | 2005-11-02 | 2009-12-23 | 苏州宝时得电动工具有限公司 | A kind of guard shield that is used for electric tool |
| CN201399805Y (en) * | 2009-03-27 | 2010-02-10 | 浙江博大电器有限公司 | Portable electric chainsaw |
| CN101992456B (en) * | 2009-08-11 | 2013-02-06 | 泉峰(中国)贸易有限公司 | Electric tool |
| CN203136679U (en) * | 2012-12-05 | 2013-08-21 | 南京德朔实业有限公司 | Chain saw |
| CN105123429B (en) * | 2015-08-12 | 2018-11-27 | 宁波大叶园林设备股份有限公司 | A kind of lithium electric chain saw that the automatically controlled brushless motor brake of tool equiangular spiral cam is stopped |
| CN206445755U (en) * | 2016-12-28 | 2017-08-29 | 浙江亚特电器有限公司 | A kind of multi-functional electric tools |
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2016
- 2016-12-28 CN CN201611236114.1A patent/CN106671030B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511321A (en) * | 2009-02-20 | 2012-06-27 | 苏州宝时得电动工具有限公司 | Chain saw |
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| CN106671030A (en) | 2017-05-17 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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