CN209477944U - Watch rear cover grinding device - Google Patents
Watch rear cover grinding device Download PDFInfo
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- CN209477944U CN209477944U CN201920127248.2U CN201920127248U CN209477944U CN 209477944 U CN209477944 U CN 209477944U CN 201920127248 U CN201920127248 U CN 201920127248U CN 209477944 U CN209477944 U CN 209477944U
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- support base
- rear cover
- screw rod
- head
- axis direction
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a kind of watch rear cover grinding devices, it is related to grinding attachment technical field, including pedestal, mounting base, mounting head and grinding machine head, by the way that the first support base and the second support base are arranged on the base, and first support base can be moved in the horizontal plane along perpendicular to the axis direction of shaft, second support base can be moved along the axis direction for being parallel to shaft in the horizontal plane, and the second support base is mounted on the first support base, grinding machine head is mounted on the second support base, so as to the position using the mobile adjustment grinding machine head of the first support base and the second support base with respect to mounting head, and then operator's free hand grinding head is replaced to polish watch rear cover, it is more complete to polish the lines come, the outgoing of watch rear cover is set to get a promotion.
Description
Technical field
The utility model relates to grinding attachment technical field, in particular to a kind of watch rear cover grinding device.
Background technique
In wrist-watch manufacturing process, need to polish to watch rear cover using grinding device, thus in watch rear cover
Surface forms required annular lines.
In the prior art, grinding device generally includes mounting base, shaft, mounting head and grinding machine head, shaft and mounting base
Rotary type assembly, and the axis horizontal setting of shaft, mounting head is mounted on the one end of shaft far from mounting base, in bruting process,
Watch rear cover need to be mounted in mounting head by operator, be overlapped the axis of watch rear cover with the axis of shaft, then hold mill
Head is cut, makes grinding machine head close to watch rear cover, polish required annular lines on the surface of watch rear cover using grinding machine head.
This polishing mode is needed by operator's free hand grinding head, and operator is difficult to remain grinding machine head and wrist-watch
The spacing of rear cover is constant, to be easy to cause the lines for polishing and imperfect, so that watch rear cover goes out yield and quality reduction.
Utility model content
The purpose of the utility model is to provide a kind of watch rear cover grinding device, the lines polished is more complete, thus
Promote the outgoing of watch rear cover.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of watch rear cover polishing
Device, including pedestal, mounting base, the mounting head for installing watch rear cover to be polished and for the grinding for watch rear cover of polishing
Head, the mounting base are fixed on the one end of the pedestal far from ground, and rotary type is equipped with axis along horizontal in the mounting base
The shaft that direction extends, the mounting head are mounted on the one end of the shaft far from the mounting base, also set up on the pedestal
Have can in the horizontal plane along perpendicular to the shaft the first support base for moving of axis direction and can be in the horizontal plane along flat
Row second support base mobile in the axis direction of the shaft, the grinding machine head are mounted on the surface of second support base,
Second support base is mounted on the surface of first support base.
By using above-mentioned technical proposal, the first support base and the second support base, and the first support are set on the base
Seat can be moved along the axis direction perpendicular to shaft in the horizontal plane, and the second support base can be parallel to shaft in edge in the horizontal plane
Axis direction moves, and the second support base is mounted on the first support base, is mounted on grinding machine head on the second support base, thus
It can use position of the mobile adjustment grinding machine head with respect to mounting head of the first support base and the second support base, and then replace operation
Person's free hand grinding head polishes to watch rear cover, and the lines polished is more complete, obtains the outgoing of watch rear cover
It is promoted.
The utility model is further arranged to: the pedestal is fixed with the first fixed block far from the one end on ground, and described
Through having axis direction horizontal and first screw rod vertical with the axis direction of the shaft on one fixed block, described first is fixed
Be embedded in block with first wire rod thread assembly the first turntable, between first turntable and first fixed block
The axial restraint of first turntable, the assembly of radial rotating formula, and one end of first screw rod is welded with the first link block, institute
It states the one end of the first link block far from first screw rod and first support base is fixed;First fixed block is far from described
The side of pedestal is fixed with the second fixed block, and running through on second fixed block has axis direction horizontal and the axis with the shaft
The second parallel screw rod of line direction is embedded with the second turntable with second wire rod thread assembly in second fixed block,
It is assembled between second turntable and second fixed block in the axial restraint of second turntable, radial rotating formula, and institute
The one end for stating the second screw rod is welded with the second link block, the one end of second link block far from second screw rod and described the
Two support bases are fixed.
By using above-mentioned technical proposal, due to the first screw rod and the first turntable Screw assembly, the second screw rod and second turn
Disk Screw assembly, and the first turntable and the first fixed block are assembled in the axial restraint of the first turntable, radial rotating formula, the second turntable
It is assembled with the second fixed block in the axial restraint of the second turntable, radial rotating formula;
When the axis around the first screw rod rotates the first screw rod, the first screw rod drives the first turntable to rotate, and the first turntable
It is fixed in own axes direction, so that the first screw rod is moved along own axes direction, to make the first support base in horizontal plane
Upper edge is parallel to the direction of shaft axis close to or far from mounting head;Similarly, when the axis around the second screw rod rotates the second screw rod
When, the second screw rod drives the rotation of the second turntable, and the second turntable is fixed in own axes direction, so that the second screw rod is along itself
Axis direction is mobile, to make the second support base in the horizontal plane along the direction perpendicular to shaft axis close to or far from installation
Head;And then achieve the purpose that polish to watch rear cover instead of operator's free hand grinding head, make the outgoing of watch rear cover
It gets a promotion.
The utility model is further arranged to: the cross section of first support base and second support base it is transversal
Face is in U-shape, and first fixed block is located at the interior recess of first support base, second fixed block is located at described second
The interior recess of support base, first screw rod are fixed with axis direction perpendicular to described far from one end of first link block
First hand lever of the axis direction of one screw rod, second screw rod are fixed with axis direction far from one end of second link block
Perpendicular to the second hand lever of the axis direction of second screw rod.
By using above-mentioned technical proposal, the first fixed block is arranged in the indent of the first support base of U-shaped profile
Place, the second fixing seat is arranged in the interior recess of the second support base of U-shaped profile so that the first fixed block, the first screw rod,
Second fixed block and the second screw rod are hidden, and the dust reduced in environment fixes the first fixed block, the first screw rod, second
The pollution of block and the second screw rod, to allow the first screw rod and the second screw rod more successfully to rotate, to make grinding machine head
Position adjust it is more accurate;The setting of first hand lever and the second hand lever is so that the rotation of the first screw rod and the second screw rod is more square
Just laborsaving, to make operator's more convenient operation.
The utility model is further arranged to: being fixed in second mounting base and is electrically connected, can drive with the grinding machine head
Move the motor that the grinding machine head is rotated around the axis of the grinding machine head.
By using above-mentioned technical proposal, the axis that motor driven grinding machine head is arranged around grinding machine head is rotated, so that when grinding
Head can polish to watch rear cover when touching the watch rear cover being mounted in mounting head, at the same time, watch rear cover with
Shaft rotation, thus make grinding machine head polished on watch rear cover annular lines.
The utility model is further arranged to: being located at the shaft on the pedestal and is fixed far from the side of the grinding machine head
There is a third fixed block, the third fixed block far from the side of the pedestal is provided with third support base and can drive described
For three support bases in the horizontal plane along the first actuator that the axis direction of the shaft moves is parallel to, the third support base is remote
Side from the pedestal is provided with friction head and can drive the friction head in the horizontal plane along perpendicular to the shaft
The second mobile actuator of axis direction, and the friction head is provided with sand paper close to the side of the shaft.
By using above-mentioned technical proposal, friction head and sand paper are set, it, can be with so that during annular lines of polishing
Watch rear cover using the second actuator driving friction head along the direction perpendicular to shaft axis in mounting head, until sand paper connects
Tentacle watch back cover, and moved using the first actuator driving friction head along the direction for being parallel to shaft axis, make sand paper in wrist-watch
The edge of rear cover rubs, and polishes to synchronize during realizing the annular lines of polishing the edge of watch rear cover,
And then improve working efficiency.
The utility model is further arranged to: first actuator and second actuator are cylinder.
By using above-mentioned technical proposal, cylinder driving is convenient and efficient, and cylinder is used as common actuator, from a wealth of sources,
It is easily obtained.
The utility model is further arranged to: the friction head close to the side of the shaft be set side by side there are two limit
Ring, the sand paper are threaded through simultaneously in two stop collars.
By using above-mentioned technical proposal, sand paper is threaded through in the stop collar that two are set side by side, so that when sand paper
After one position abrasion, the location contacts watch rear cover that other are intact on sand paper can be made to polish with direct pull sand paper, from
And it is more convenient to use the replacement of sand paper.
The utility model is further arranged to: the mounting head is pneumatic chuck.
By using above-mentioned technical proposal, pneumatic chuck clamps convenience and high-efficiency, to improve working efficiency.
The utility model is further arranged to: the mounting base is provided with baffle close to the side of the grinding machine head, described
Baffle is vertically arranged with the shaft.
By using above-mentioned technical proposal, baffle is set, so that along the edge tangent line direction of grinding machine head in bruting process
The dust of movement is blocked, to make dust be not easy to bleed around, so that the environment of watch rear cover polishing work is cleaner
Neatly.
In conclusion the utility model has the following beneficial effects:
1. by being arranged the first support base and the second support base on the base, and the first support base can edge in the horizontal plane
Perpendicular to the axis direction movement of shaft, the second support base can be moved along the axis direction for being parallel to shaft in the horizontal plane, and
Second support base is mounted on the first support base, is mounted on grinding machine head on the second support base, so as to utilize first
Support position of the mobile adjustment grinding machine head with respect to mounting head of seat and the second support base, and then replacement operator's free hand grinding head pair
Watch rear cover is polished, and the lines polished is more complete, and the outgoing of watch rear cover is made to get a promotion;
2. friction head and sand paper is arranged, so that can use the driving of the second actuator during annular lines of polishing
Watch rear cover of the friction head along the direction perpendicular to shaft axis in mounting head, until sand paper contacts watch rear cover, and utilizes
First actuator driving friction head is moved along the direction for being parallel to shaft axis, and sand paper is made to rub at the edge of watch rear cover
It wipes, polishes to be synchronized during realizing the annular lines of polishing the edge of watch rear cover, and then improve working efficiency.
Detailed description of the invention
Fig. 1 is the overall structure diagram of watch rear cover grinding device in the utility model embodiment;
Fig. 2 is the schematic diagram of the section structure of watch rear cover grinding device in the utility model embodiment;
Fig. 3 is the partial enlargement diagram of part A in Fig. 2;
Fig. 4 is the schematic diagram of the section structure at another visual angle of watch rear cover grinding device in the utility model embodiment.
Appended drawing reference: 1, pedestal;2, mounting base;21, shaft;22, mounting head;3, grinding machine head;31, motor;4, first
Support seat;41, the first screw rod;42, the first turntable;43, the first hand lever;44, the first fixed block;45, the first link block;46, first
Through-hole;47, limit plate;5, the second support base;51, the second screw rod;52, the second turntable;53, the second hand lever;54, second is fixed
Block;55, the second link block;56, the second through-hole;6, third support base;61, third fixed block;62, the first actuator;63, second
Actuator;64, friction head;65, stop collar;66, sand paper;67, third link block;7, baffle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
It referring to Fig.1, is a kind of watch rear cover grinding device disclosed by the utility model, including pedestal 1, mounting base 2, installation
First 22 and grinding machine head 3, mounting head 22 makes wrist-watch for watch rear cover of polishing for installing watch rear cover to be polished, grinding machine head 3
Rear cover forms the lines of annular;Mounting base 2 is fixed on the one end of pedestal 1 far from ground, and rotary type is equipped with axis in mounting base 2
Horizontally extending shaft 21, and mounting head 22 is mounted on the one end of shaft 21 far from mounting base 2.
In conjunction with Fig. 2 and Fig. 3, for the installation and movement for realizing grinding machine head 3, one end on pedestal 1 far from ground is fixed with
First fixed block 44 offers first through hole 46 on first fixed block 44, is embedded with the first turntable 42 in first through hole 46, and first
The edges at two ends of through-hole 46 is provided with the limit plate 47 of annular, so that first between the first turntable 42 and the first fixed block 44
The axial restraint of turntable 42, the assembly of radial rotating formula;The middle part Screw assembly of first turntable 42 has the first screw rod 41, the first screw rod
41 axis direction is horizontal, and the axis direction of the first screw rod 41 is vertical with the axis direction of shaft 21, and the one of the first screw rod 41
End is welded with the first link block 45, and the first link block 45 is installed with the first support base 4 far from one end of the first screw rod 41;
When the axis around the first screw rod 41 rotates the first screw rod 41, the first screw rod 41 drives the rotation of the first turntable 42, and
First turntable 42 is fixed in own axes direction, so that the first screw rod 41 is moved along own axes direction, to make first
Edge is parallel to the direction of 21 axis of shaft close to or far from mounting head 22 to support seat 4 in the horizontal plane;
First fixed block 44 is fixed with the second fixed block 54 far from the side of pedestal 1, and is offered on the second fixed block 54
Two through-holes 56, the second turntable 52 is embedded in the second through-hole 56, and the edges at two ends of the second turntable 52 is also equipped with the limit of annular
Plate 47, to make to assemble between the second turntable 52 and the second fixed block 54 in the axial restraint of the second turntable 52, radial rotating formula;
The middle part Screw assembly of second turntable 52 has the second screw rod 51, and the axis direction of the second screw rod 51 is horizontal, and the second screw rod 51
Axis direction is parallel with the axis direction of shaft 21, and one end of the second screw rod 51 is welded with the second link block 55, the second link block
55 one end far from the second screw rod 51 are installed with the second support base 5;Grinding machine head 3 is mounted on the second support base 5 far from 1 side of pedestal
Surface;
When the axis around the second screw rod 51 rotates the second screw rod 51, the second screw rod 51 drives the rotation of the second turntable 52, and
Second turntable 52 is fixed in own axes direction, so that the second screw rod 51 is moved along own axes direction, to make second
Seat 5 is supportted in the horizontal plane along the direction perpendicular to 21 axis of shaft close to or far from mounting head 22;
And then it can use the mobile adjustment grinding machine head 3 of the first support base 4 and the second support base 5 with respect to mounting head 22
Position achievees the purpose that polish to watch rear cover instead of operator's free hand grinding head 3, and the lines polished is more complete,
The outgoing of watch rear cover is set to get a promotion.
Wherein, the cross section of the first support base 4 and the cross section of the second support base 5 are in U-shape, the first fixed block 44
It is located at the interior recess of the second support base 5 in interior recess, the second fixed block 54 of the first support base 4, so that the first fixed block 44,
One screw rod 41, the second fixed block 54 and the second screw rod 51 are hidden, and reduce the dust in environment to the first fixed block 44, the
The pollution of one screw rod 41, the second fixed block 54 and the second screw rod 51, to make the first screw rod 41 and the second screw rod 51 can be with
It more successfully rotates, and then it is more accurate to adjust the position of grinding machine head 3, improves the outgoing of watch rear cover.
First screw rod 41 fixes the first hand lever 43 far from one end of the first link block 45, and the axis direction of the first hand lever 43 hangs down
Directly in the axis direction for stating the first screw rod 41, the second screw rod 51 is fixed with the second hand lever 53 far from one end of the second link block 55,
The axis direction of second hand lever 53 perpendicular to the second screw rod 51 axis direction so that the first screw rod 41 and the second screw rod 51
Rotation be more convenient it is laborsaving, to make operator's more convenient operation.
Motor 31 is fixed in second mounting base 2, motor 31 is electrically connected with grinding machine head 3, drives grinding machine head 3 using motor 31
Axis around grinding machine head 3 rotates, so that can be to wrist-watch when grinding machine head 3 touches the watch rear cover being mounted in mounting head 22
Rear cover is polished, and at the same time, watch rear cover is rotated with shaft 21, so that grinding machine head 3 be made to polish on watch rear cover
The lines of annular.
In conjunction with Fig. 2 and Fig. 4, since the edge of watch rear cover needs to be polished with sand paper 66, therefore is arranged on pedestal 1
Three fixed blocks 61, third fixed block 61 are installed in side of the shaft 21 far from grinding machine head 3;In third fixed block 61 far from pedestal 1
Side setting third support base 6 and the first actuator 62, using the first actuator 62 driving third support base 6 in horizontal plane
The axis direction that upper edge is parallel to shaft 21 moves;Friction head 64 and the are set far from the side of pedestal 1 in third support base 6
Two actuators 63 are moved along the axis direction perpendicular to shaft 21 in the horizontal plane using the second actuator 63 driving friction head 64
It is dynamic;And two stop collars 65 are set side by side close to the side of shaft 21 in friction head 64, sand paper is worn in two stop collars 65
66, the both ends of sand paper 66 extend through two stop collars 65;It is connected between third support base 6 and the first actuator 62 by third
Block 67 connects;
During to polish annular lines, can use the second actuator 63 driving friction head 64 along perpendicular to turn
Watch rear cover of the direction of 21 axis of axis in mounting head 22 until sand paper 66 contacts watch rear cover, and utilizes the first actuator
62 driving friction heads 64 are moved along the direction for being parallel to 21 axis of shaft, and sand paper 66 is made to rub at the edge of watch rear cover,
It synchronizes during to realize the annular lines of polishing and polishes the edge of watch rear cover, and then improve working efficiency;
And sand paper 66 is threaded through in two stop collars being set side by side 65, so that when a position of sand paper 66 is worn
Afterwards, the location contacts watch rear cover that other are intact on sand paper 66 can be made to polish, to make sand paper with direct pull sand paper 66
66 replacement uses more convenient.
In the present embodiment, the first actuator 62 and the second actuator 63 are cylinder, and cylinder driving is convenient and efficient, and
Cylinder is used as common actuator, from a wealth of sources, is easily obtained;Mounting head 22 is pneumatic chuck, and pneumatic chuck clamps convenience and high-efficiency,
To improve working efficiency.
In addition, mounting base 2 is provided with baffle 7 close to the side of grinding machine head 3, and baffle 7 is vertically arranged with shaft 21, so that
The dust that edge tangent line direction in bruting process along grinding machine head 3 moves is blocked, so that dust is made to be not easy to bleed around, into
And make the environment more neat and tidy of watch rear cover polishing work.
The implementation principle of the present embodiment are as follows: by the way that the first support base 4 and the second support base 5, and are arranged on pedestal 1
One support base 4 can be moved along the axis direction perpendicular to shaft 21 in the horizontal plane, and the second support base 5 can be in the horizontal plane along flat
Row is moved in the axis direction of shaft 21, and the second support base 5 is mounted on the first support base 4, grinding machine head 3 is mounted on to the
On two support bases 5, so as to utilize the opposite mounting head of the mobile adjustment grinding machine head 3 of the first support base 4 and the second support base 5
22 position, and then replacement operator's free hand grinding head 3 polishes to watch rear cover, the lines polished is more complete, makes
The outgoing of watch rear cover gets a promotion.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of watch rear cover grinding device, including pedestal (1), mounting base (2), the installation for installing watch rear cover to be polished
Head (22) and the grinding machine head (3) for watch rear cover of polishing, the mounting base (2) are fixed on the pedestal (1) far from ground
One end, rotary type is equipped with the horizontally extending shaft of axis (21), the mounting head (22) on the mounting base (2)
It is mounted on the one end of the shaft (21) far from the mounting base (2), which is characterized in that being additionally provided on the pedestal (1) can
In the horizontal plane along mobile the first support base (4) of the axis direction perpendicular to the shaft (21) and can edge in the horizontal plane
It is parallel to mobile the second support base (5) of the axis direction of the shaft (21), the grinding machine head (3) is mounted on described second
The surface of seat (5) is supportted, second support base (5) is mounted on the surface of first support base (4).
2. watch rear cover grinding device according to claim 1, which is characterized in that the one of the separate ground of the pedestal (1)
End is fixed with the first fixed block (44), on first fixed block (44) through have axis direction it is horizontal and with the shaft (21)
Vertical the first screw rod (41) of axis direction, is embedded with and the first screw rod (41) screw thread in first fixed block (44)
The first turntable (42) of assembly, in first turntable (42) between first turntable (42) and first fixed block (44)
Axial restraint, the assembly of radial rotating formula, and one end of first screw rod (41) is welded with the first link block (45), described the
One end and first support base (4) far from first screw rod (41) of one link block (45) are fixed;
First fixed block (44) is fixed with the second fixed block (54) far from the side of the pedestal (1), and described second is fixed
Through having axis direction horizontal and second screw rod (51) parallel with the axis direction of the shaft (21) on block (54), described the
The second turntable (52) with the second screw rod (51) Screw assembly, second turntable (52) are embedded in two fixed blocks (54)
It is assembled between second fixed block (54) in the axial restraint of second turntable (52), radial rotating formula, and described the
One end of two screw rods (51) is welded with the second link block (55), and second link block (55) is far from second screw rod (51)
One end and second support base (5) are fixed.
3. watch rear cover grinding device according to claim 2, which is characterized in that first support base (4) it is transversal
Face and the cross section of second support base (5) are in U-shape, and first fixed block (44) is located at first support base
(4) interior recess, second fixed block (54) is located at the interior recess of second support base (5), first screw rod (41)
One end far from first link block (45) is fixed with axis direction perpendicular to the axis direction of first screw rod (41)
First hand lever (43), second screw rod (51) far from second link block (55) one end be fixed with axis direction perpendicular to
The second hand lever (53) of the axis direction of second screw rod (51).
4. watch rear cover grinding device according to claim 1, which is characterized in that be fixed on the mounting base (2) with
Grinding machine head (3) electrical connection, the motor (31) that the grinding machine head (3) can be driven to rotate around the axis of the grinding machine head (3).
5. watch rear cover grinding device according to claim 1, which is characterized in that be located at described turn on the pedestal (1)
Axis (21) is fixed with third fixed block (61) far from the side of the grinding machine head (3), and the third fixed block (61) is far from described
The side of pedestal (1) is provided with third support base (6) and can drive the third support base (6) in the horizontal plane along being parallel to
Mobile the first actuator (62) of the axis direction of the shaft (21), the third support base (6) is far from the pedestal (1)
Side is provided with friction head (64) and can drive the friction head (64) in the horizontal plane along perpendicular to the shaft (21)
Mobile the second actuator (63) of axis direction, and the friction head (64) is provided with sand paper close to the side of the shaft (21)
(66)。
6. watch rear cover grinding device according to claim 5, which is characterized in that first actuator (62) and institute
Stating the second actuator (63) is cylinder.
7. watch rear cover grinding device according to claim 5, which is characterized in that the friction head (64) turns close to described
The side of axis (21) is set side by side there are two stop collar (65), and the sand paper (66) is threaded through two stop collars (65) simultaneously
In.
8. watch rear cover grinding device according to claim 1, which is characterized in that the mounting head (22) is pneumatic clamps
Head.
9. watch rear cover grinding device according to claim 1, which is characterized in that the mounting base (2) is close to the mill
The side for cutting head (3) is provided with baffle (7), and the baffle (7) is vertically arranged with the shaft (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920127248.2U CN209477944U (en) | 2019-01-24 | 2019-01-24 | Watch rear cover grinding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920127248.2U CN209477944U (en) | 2019-01-24 | 2019-01-24 | Watch rear cover grinding device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209477944U true CN209477944U (en) | 2019-10-11 |
Family
ID=68132496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920127248.2U Active CN209477944U (en) | 2019-01-24 | 2019-01-24 | Watch rear cover grinding device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209477944U (en) |
-
2019
- 2019-01-24 CN CN201920127248.2U patent/CN209477944U/en active Active
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CP03 | Change of name, title or address |
Address after: 518000 No.57, Jinkang Road, Jinsha community, Kengzi office, Pingshan New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen jinsanwei Industry Co., Ltd Address before: 518122 No. 57 Jinkang Road, Jinsha Community, Kengzi Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: Jinsan Industry (Shenzhen) Co.,Ltd. |
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CP03 | Change of name, title or address |