CN209491544U - A kind of radial centering combination clamping device of taper finger setting - Google Patents
A kind of radial centering combination clamping device of taper finger setting Download PDFInfo
- Publication number
- CN209491544U CN209491544U CN201822258214.5U CN201822258214U CN209491544U CN 209491544 U CN209491544 U CN 209491544U CN 201822258214 U CN201822258214 U CN 201822258214U CN 209491544 U CN209491544 U CN 209491544U
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- Prior art keywords
- fixture base
- fixture
- clamping device
- positioning
- workpiece
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- 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.)
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Abstract
The utility model discloses a kind of radial centerings of taper finger setting to combine clamping device, including fixture base, semicircle master positioning block is provided in the fixture base, the side of the semicircle master positioning block is fitted with workpiece, the side of the fixture base is provided with positioning port, dowel hole is provided on the ontology of the fixture base, the top setting fixture nut and positioning screw one of the fixture base, it is combined with tie down screw in the fixture nut, is provided with location nut on the positioning screw one.The utility model passes through radial centering, the angular bit combination clamping device of cone pin, blank dimension bounce is made up using the difference of cone pin different location diameter, the accuracy for ensuring angularly to position, workpiece Internal periphery face paste tightly semicircle master positioning block, to obtain stable centre distance size, and the two combines and plays certralizing ability, clamps convenient, fast, repetitive positioning accuracy height.
Description
Technical field
It is combined the utility model relates to the radial centering of machinery production field more particularly to a kind of taper finger setting and clamps folder
Tool.
Background technique
The gloomy flange pipe clamp in river is a kind of company's multi-functional combination pipe clamp newly developed, this product specification type is more.Combination
The diameter of pipe clamp is stringent compared with the position degree in hole.What the machining accuracy of this pipe clamp was most difficult to guarantee is hole with respect to blank inner cavity
Size, while blank inner cavity highest point is to end face distance.Wherein two hole site required distance clamp for machining are after wanting convenient for mounting and clamping,
There are enough repetitive positioning accuracies again.
For this reason, it may be necessary to which a kind of radial centering of taper finger setting combines clamping device to meet such demand.
Utility model content
The utility model proposes a kind of radial centerings of taper finger setting to combine clamping device.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of radial centering of taper finger setting combines clamping device, including fixture base, is arranged in the fixture base
There is semicircle master positioning block, the side of the semicircle master positioning block is fitted with workpiece, the side setting of the fixture base
Have positioning port, be provided with dowel hole on the ontology of the fixture base, the top setting fixture nut of the fixture base and
Positioning screw one is combined with tie down screw in the fixture nut, location nut is provided on the positioning screw one, described fixed
Through there is pressure plate on the screw rod one of position, the one end fits of the workpiece have cone pin, and the lower section of the cone pin is deeply to positioning
Pin hole is provided with bushing plate in the fixture base, and the bushing plate is pressed on the top of workpiece, and the bushing plate passes through positioning
Screw rod two is fixed in fixture base, is provided with drill jig sleeve on the bushing plate.
Further, there are two the positioning ports, the positioning port is symmetricly set on the side of fixture base.
Further, the fixture nut is welded in fixture base.
Further, there are two the drill jig sleeves, two drill jig sleeves are separately positioned on the left and right ends of bushing plate.
Further, drill jig pin is additionally provided on the bushing plate, the bushing plate is further strengthened by connecting pin
Connection between fixture base.
Further, the pressure plate is alloy material.
Further, the lower half portion of the cone pin is polygon cylinder, and top half is round estrade.
Further, the end of the cone pin is provided with cross bar.
Usefulness: the utility model utilizes cone pin by radial centering, the angular bit combination clamping device of cone pin
The difference of different location diameter is beated to make up blank dimension, it is ensured that the accuracy angularly positioned, workpiece Internal periphery face paste tight half
Round master positioning block, to obtain stable centre distance size, and the two combines and plays certralizing ability, and clamping is convenient, fast,
Repetitive positioning accuracy is high, can effectively control accurate to dimension (axial distance size), the auxiliary clamp time is few, makes the production
Product are processed into possibility on numerically controlled lathe, and fixture can be compatible with processing plurality of specifications product, reduce fixture quantity, increase vehicle
Between efficiently use space.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the schematic cross-sectional view in the utility model Fig. 1；
Fig. 3 is the schematic cross-sectional view in the utility model Fig. 1；
Fig. 4 is the structural schematic diagram of cone pin in the utility model Fig. 1.
In figure: 1 tie down screw, 2 fixture nuts, 3 pressure plates, 4 fixture bases, 5 dowel holes, 6 cone pins, 601 cross bars,
7 location nuts, 8 positioning screws one, 9 workpiece, 10 bushing plates, 11 positioning screws two, 12 drill jig sleeves, 13 connecting pins, 14 positioning ports,
15 semicircle master positioning blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10.
Embodiment 2:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, there are two the positioning ports 14, and the positioning port 14 is symmetricly set on the side of fixture base 4.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
It shifts in the course of work.
Embodiment 3:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, the fixture nut 2 is welded in fixture base 4.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
It shifts in the course of work.
Embodiment 4:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, there are two drill jig sleeves 12, and two drill jig sleeves 12 are separately positioned on the left and right ends of bushing plate 10.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
It shifts in the course of work, the position of drill jig sleeve 12, which can according to need, to be set.
Embodiment 5:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, drill jig pin is additionally provided on the bushing plate 10, the bushing plate 10 is further strengthened by connecting pin 13
With the connection between fixture base 4.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
Shift in the course of work, the connection between bushing plate 10 and fixture base 4 can be guaranteed by connecting pin 13, place its
It shifts in use process.
Embodiment 6:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, the pressure plate 3 is alloy material.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
It shifts in the course of work, the bushing plate 10 of alloy material is conducive to the clamping for workpiece 9, prevents because of deformation bring
Error further increases service precision.
Embodiment 7:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, the lower half portion of the cone pin 6 is polygon cylinder, and top half is round estrade.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
It shifts in the course of work, the peculiar structure design of cone pin 6 can be positioned preferably.
Embodiment 8:
The radial centering that a kind of cone pin 6 positions combines clamping device, including fixture base 4, sets in the fixture base 4
It is equipped with semicircle master positioning block 15, the side of the semicircle master positioning block 15 is fitted with workpiece 9, the fixture base 4
Side is provided with positioning port 14, and dowel hole 5 is provided on the ontology of the fixture base 4, and the top of the fixture base 4 is set
Fixture nut 2 and positioning screw 1 are set, tie down screw 1 is combined in the fixture nut 2, is arranged on the positioning screw 1
There is location nut 7, running through on the positioning screw 1 has pressure plate 3, and the one end fits of the workpiece 9 have cone pin 6, described
The lower section of cone pin 6 is provided with bushing plate 10 in the fixture base 4, the bushing plate 10 is pressed on deeply to dowel hole 5
The top of workpiece 9, the bushing plate 10 are fixed in fixture base 4 by positioning screw 2 11, are arranged on the bushing plate 10
There is drill jig sleeve 12, the end of the cone pin 6 is provided with cross bar 601.
When the utility model is used, fixture base 4 is located on station by positioning port 14 first, then by workpiece
9 are placed on semicircle master positioning block 15, and the inside of workpiece 9 is made to be closely attached on semicircle master positioning block 15, then pass through cone pin 6
It is positioned, cone pin 6 is inserted into the dowel hole 5 of fixture base 4, by the cooperation of tie down screw 1 and fixture nut 2 by work
Part 9 is locked, and then further pressure plate 3 is placed on positioning screw 1, is then locked by location nut 7, then
It can be drilled by the drill jig sleeve 12 on bushing plate 10, two positioning ports 14 are conducive to preferably be positioned, and prevent
Shift in the course of work, at the same the structure of cone pin 6 be convenient for cone pin 6 use, the utility model by radial centering,
The angular bit combination clamping device of cone pin 6 makes up blank dimension bounce using the difference of 6 different location diameter of cone pin,
The accuracy for ensuring angularly to position, 9 Internal periphery face paste of workpiece tightly semicircle master positioning block 15, to obtain stable centre distance ruler
It is very little, and the two combines and plays certralizing ability, clamping is convenient, fast, and repetitive positioning accuracy is high, can effectively control processing ruler
Very little precision (axial distance size), the auxiliary clamp time is few, and the product is made to be processed into possibility on numerically controlled lathe, and fixture can be simultaneous
Hold processing plurality of specifications product, reduce fixture quantity, increases workshop effective use space.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (8)
1. a kind of radial centering of taper finger setting combines clamping device, it is characterised in that: including fixture base, the fixture bottom
Semicircle master positioning block is provided on seat, the side of the semicircle master positioning block is fitted with workpiece, the side of the fixture base
Face is provided with positioning port, and dowel hole is provided on the ontology of the fixture base, and the top of the fixture base, which is arranged, to be fixed
Nut and positioning screw one are combined with tie down screw in the fixture nut, are provided with location nut on the positioning screw one,
Through there is pressure plate on the positioning screw one, the one end fits of the workpiece have cone pin, and the lower section of the cone pin gos deep into
To dowel hole, bushing plate is provided in the fixture base, the bushing plate is pressed on the top of workpiece, and the bushing plate is logical
It crosses positioning screw two to be fixed in fixture base, is provided with drill jig sleeve on the bushing plate.
2. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that described fixed
There are two position mouths, and the positioning port is symmetricly set on the side of fixture base.
3. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that described solid
Nut-welding is determined in fixture base.
4. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that the brill
There are two die sleeves, and two drill jig sleeves are separately positioned on the left and right ends of bushing plate.
5. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that the brill
Drill jig pin is additionally provided in template, the bushing plate further strengthens the connection between fixture base by connecting pin.
6. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that the pressure
Tight plate is alloy material.
7. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that the cone
The lower half portion of shape pin is polygon cylinder, and top half is round estrade.
8. a kind of radial centering of taper finger setting as described in claim 1 combines clamping device, which is characterized in that the cone
The end of shape pin is provided with cross bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258214.5U CN209491544U (en) | 2018-12-29 | 2018-12-29 | A kind of radial centering combination clamping device of taper finger setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258214.5U CN209491544U (en) | 2018-12-29 | 2018-12-29 | A kind of radial centering combination clamping device of taper finger setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209491544U true CN209491544U (en) | 2019-10-15 |
Family
ID=68154312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822258214.5U Withdrawn - After Issue CN209491544U (en) | 2018-12-29 | 2018-12-29 | A kind of radial centering combination clamping device of taper finger setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209491544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551272A (en) * | 2018-12-29 | 2019-04-02 | 山东汇金股份有限公司 | A kind of the radial centering combination clamping device and its application method of taper finger setting |
-
2018
- 2018-12-29 CN CN201822258214.5U patent/CN209491544U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551272A (en) * | 2018-12-29 | 2019-04-02 | 山东汇金股份有限公司 | A kind of the radial centering combination clamping device and its application method of taper finger setting |
| CN109551272B (en) * | 2018-12-29 | 2023-09-12 | 山东汇金股份有限公司 | Radial centering combined clamping fixture positioned by conical pin and application method thereof |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20230912 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20230912 |