CN212420465U - Clamp mechanism for machining special-shaped fastener - Google Patents
Clamp mechanism for machining special-shaped fastener Download PDFInfo
- Publication number
- CN212420465U CN212420465U CN202020809084.4U CN202020809084U CN212420465U CN 212420465 U CN212420465 U CN 212420465U CN 202020809084 U CN202020809084 U CN 202020809084U CN 212420465 U CN212420465 U CN 212420465U
- Authority
- CN
- China
- Prior art keywords
- layer
- sliding seat
- sliding block
- clamping
- clamp
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamp mechanism for processing a special-shaped fastener, wherein an upper clamping mechanism is arranged above a lower clamping mechanism; the upper clamping mechanism comprises an upper sliding seat, an upper sliding block which is nested on the upper sliding seat in a relative sliding manner, and an upper clamp which is fixedly connected to the upper sliding block and vertically arranged downwards; the lower clamping mechanism comprises a lower sliding seat, a lower sliding block which is nested on the upper sliding seat in a relative sliding manner, and a lower clamp which is fixedly connected on the lower sliding block and is vertically and upwardly arranged; clamping buckles are arranged at the clamping ends of the upper-layer clamp and the lower-layer clamp, and the clamping buckles are embedded with the clamping special-shaped clamping structures in a nested manner. The utility model discloses control upper anchor clamps and lower floor's anchor clamps correspond the accurate regulation of exposed core position in three-dimensional space, guarantee to the stable fixed beneficial effect of heterotypic fastener.
Description
Technical Field
The utility model relates to a hardware production and processing technology field, specific anchor clamps mechanism is used in processing of abnormal shape fastener that says so.
Background
In the process of producing and processing the special-shaped fastener, the special-shaped fastener is special in structure and shape, and the clamping end of the traditional clamp mechanism does not have the function of position adjustment in a three-dimensional space, so that the special-shaped fastener is difficult to clamp a specific clamping point position on the special-shaped fastener through the traditional clamp mechanism, the technical problem of unstable fixation is caused, and even production accidents can be caused in processing and production. Therefore, it is necessary to design a clamp mechanism for processing the special-shaped fastener, which controls the clamping point positions of the corresponding clamping ends of the upper clamp and the lower clamp in a three-dimensional space to be accurately adjusted and ensures that the special-shaped fastener is stably fixed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a control upper anchor clamps correspond the accurate regulation of exposed core position in three-dimensional space, guarantee to heterotypic fastener processing of heterotypic fastener stable fixation with lower floor's anchor clamps and use anchor clamps mechanism.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a clamp mechanism for processing a special-shaped fastener comprises an installation support, an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are both nested and installed on the installation support in a horizontal relative sliding mode, and the upper clamping mechanism is arranged above the lower clamping mechanism;
the upper-layer clamping mechanism and the lower-layer clamping mechanism are at least provided with one group, and the upper-layer clamping mechanism comprises an upper-layer sliding seat which slides relative to the mounting bracket, an upper-layer sliding block which is nested and mounted on the upper-layer sliding seat in a relative sliding mode and has a movement direction perpendicular to that of the upper-layer sliding seat, and an upper-layer clamp which is fixedly connected to the upper-layer sliding block and is vertically and downwards arranged;
the lower clamping mechanism comprises a lower sliding seat, a lower sliding block and a lower clamp, wherein the lower sliding seat slides relative to the mounting bracket and is arranged in parallel with the upper sliding seat, the lower sliding block is nested on the upper sliding seat in a relative sliding mode, the moving direction of the lower sliding block is vertical to the moving direction of the lower sliding seat, and the lower clamp is fixedly connected to the lower sliding block and is vertically and upwards arranged;
the clamping end of the upper clamp and the clamping end of the lower clamp are both provided with a clamping buckle, and the clamping buckle is provided with a nested clamping special-shaped clamping structure.
Installing support top is provided with upper slide rail and corresponds the nested installation upper sliding seat, the installing support below is provided with lower floor's slide rail and corresponds the nested installation lower floor's sliding seat, every group upper sliding seat, lower floor's sliding seat are all supporting installs a actuating mechanism, and a actuating mechanism includes first accommodate the lead screw, drive gear, drive runner, and install on corresponding upper slide rail or lower floor's slide rail with relative pivoted mode of first accommodate the lead screw, upper sliding seat, lower floor's sliding seat connect with the first accommodate the lead screw that corresponds soon, and the end of each group's first accommodate the lead screw all concreties drive gear all is connected with the drive runner power that corresponds, and drive gear concreties and drive gear passes through the chain and is connected with corresponding drive gear.
The upper-layer clamping mechanism and the lower-layer clamping mechanism are oppositely provided with two groups, and the first adjusting screw rods which are arranged on the upper-layer clamping mechanism in a matched mode keep an independent rotating state.
Every group all form a complete set and install second actuating mechanism and upper sliding block, lower floor sliding block power connection that correspond on upper sliding seat, the lower floor sliding seat, all install on upper sliding seat, the lower floor sliding seat and correspond the nested sliding tray of upper sliding block, lower floor sliding block, second actuating mechanism is including corresponding the second accommodate the lead screw of arranging in the sliding tray, with the nested first change wheel of installing in the upper sliding block or the lower floor sliding block that correspond of relative pivoted mode, second accommodate the lead screw pass corresponding upper sliding block or lower floor sliding block and with and correspond first change wheel and connect soon, first change wheel part structure expose outside corresponding upper sliding block or lower floor sliding block.
Every group the supporting installation of the multiunit corresponding upper sliding block, the lower floor sliding block that install on upper sliding seat, the lower floor sliding seat all with a set of supporting installation of second accommodate the lead screw that corresponds.
The structure of upper anchor clamps, lower floor's anchor clamps is the same and all include the installation section of thick bamboo that corresponds the consolidation with upper sliding block or lower floor's sliding block, with around installation section of thick bamboo inner wall slip pivoted mount pad, consolidate on the mount pad and lead out the third accommodate the lead screw that corresponds the installation section of thick bamboo, with the second rotation wheel of relative pivoted nested installation in the installation section of thick bamboo outer end of rotation, third accommodate the lead screw lead out the second and rotate the wheel and connect soon with the second.
The outer end of the third adjusting screw rod is arranged to be a clamping end.
The special-shaped clamping structure is partially nested with the corresponding structure of the special-shaped fastener in a matching manner.
The utility model has the advantages that: the position of the corresponding clamping end in the upper-layer clamp or the lower-layer clamp is adjusted in a three-dimensional space by controlling the driving rotating wheel, the first rotating wheel and the second rotating wheel to rotate and beat, so that the clamping point positions of the corresponding clamping ends of the upper-layer clamp and the lower-layer clamp in the three-dimensional space are controlled to be accurately adjusted, and the special-shaped fastener is ensured to be stably fixed;
the special-shaped clamping structure is partially matched and nested with a corresponding structure of the special-shaped fastener, and the special-shaped clamping structure is clamped at the clamping end of the upper-layer clamp or the lower-layer clamp and fixedly clamped with the special-shaped fastener to be reinforced, so that the special-shaped fastener is ensured to be stably fixed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the object to be observed in fig. 1.
In the figure: the device comprises an installation support 1, an upper sliding seat 2, an upper sliding block 3, an upper clamp 4, a lower sliding seat 5, a lower sliding block 6, a lower clamp 7, an upper sliding rail 8, a lower sliding rail 9, a first adjusting screw rod 10, a transmission gear 11, a driving gear 12, a driving rotating wheel 13, a second adjusting screw rod 14, a first rotating wheel 15, an installation barrel 16, a third adjusting screw rod 17 and a second rotating wheel 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a clamp mechanism for processing a special-shaped fastener comprises a mounting bracket 1, an upper clamping mechanism and a lower clamping mechanism, wherein the upper clamping mechanism and the lower clamping mechanism are nested and mounted on the mounting bracket 1 in a horizontal relative sliding manner, and the upper clamping mechanism is arranged above the lower clamping mechanism;
the upper-layer clamping mechanism and the lower-layer clamping mechanism are at least provided with one group, the upper-layer clamping mechanism comprises an upper-layer sliding seat 2 which slides relative to the mounting bracket 1, an upper-layer sliding block 3 which is nested and mounted on the upper-layer sliding seat 2 in a relative sliding mode and has a movement direction vertical to the movement direction of the upper-layer sliding seat 2, and an upper-layer clamp 4 which is fixedly connected to the upper-layer sliding block 3 and is vertically arranged downwards;
the lower clamping mechanism comprises a lower sliding seat 5 which slides relative to the mounting bracket 1 and is arranged parallel to the upper sliding seat 2, a lower sliding block 6 which is nested on the upper sliding seat 2 in a relative sliding mode and has a movement direction vertical to the movement direction of the lower sliding seat 5, and a lower clamp 7 which is fixedly connected to the lower sliding block 6 and is vertically and upwardly arranged;
clamping buckles are arranged at the clamping ends of the upper clamp 4 and the lower clamp 7, and the clamping buckles are embedded with the clamping special-shaped clamping structures in a nested and clamped mode.
In the utility model, an upper slide rail 8 is arranged above a mounting bracket 1 and correspondingly embedded and installed with an upper slide seat 2, a lower slide rail 9 is arranged below the mounting bracket 1 and correspondingly embedded and installed with a lower slide seat 5, each group of upper slide seat 2 and lower slide seat 5 is provided with a first driving mechanism in a matching way, the first driving mechanism comprises a first adjusting screw rod 10 and a transmission gear 11, the driving device comprises a driving gear 12 and a driving runner 13, wherein the first adjusting screw rods 10 are installed on the corresponding upper-layer slide rails 8 or the corresponding lower-layer slide rails 9 in a relative rotation mode, the upper-layer sliding seats 2 and the lower-layer sliding seats 5 are in screwed connection with the corresponding first adjusting screw rods 10, a transmission gear 11 is fixedly connected at the tail end of each group of first adjusting screw rods 10 and is in power connection with the corresponding driving runner 13, the driving gear 12 is fixedly connected with the corresponding driving runner 13, and the driving gear 12 is connected with the corresponding transmission gear 11 through a chain; two groups of upper-layer clamping mechanisms and two groups of lower-layer clamping mechanisms are oppositely arranged, and the first adjusting screw rods 10 which are matched and arranged on the two groups of upper-layer clamping mechanisms are kept in an independent rotating state; the corresponding driving rotating wheel 13 is rotated to drive the driving gear 12 and the transmission gear 11 to rotate, so that the corresponding first adjusting screw rod 10 is driven to rotate, the corresponding upper layer sliding seat 2 or the corresponding lower layer sliding seat 5 is driven by the first adjusting screw rod 10 to move along the corresponding upper layer sliding rail 8 or the corresponding lower layer sliding rail 9, and the position of the upper layer clamp 4 on the corresponding upper layer mounting seat or the lower layer clamp 7 on the corresponding lower layer mounting seat in the horizontal Y-axis direction is adjusted;
each group of upper sliding seats 2 and lower sliding seats 5 is provided with a second driving mechanism in a matching way, the second driving mechanism is in power connection with the corresponding upper sliding block 3 and lower sliding block 6, the upper sliding seats 2 and the lower sliding seats 5 are provided with sliding grooves which are nested with the corresponding upper sliding block 3 and lower sliding block 6, the second driving mechanism comprises a second adjusting screw rod 14 correspondingly arranged in the sliding grooves and a first rotating wheel 15 which is nested in the corresponding upper sliding block 3 or lower sliding block 6 in a relative rotating way, the second adjusting screw rod 14 penetrates through the corresponding upper sliding block 3 or lower sliding block 6 and is in rotary connection with the corresponding first rotating wheel 15, and part of the structure of the first rotating wheel 15 is exposed out of the corresponding upper sliding block 3 or lower sliding block 6; each group of upper sliding seats 2 and lower sliding seats 5 are provided with a plurality of groups of corresponding upper sliding blocks 3 and lower sliding blocks 6 which are matched with one group of corresponding second adjusting screw rods 14, and the upper sliding blocks 3 or the lower sliding blocks 6 are driven to move along the corresponding second adjusting screw rods 14 by rotating first rotating wheels 15 correspondingly arranged on the corresponding upper sliding blocks 3 or the corresponding lower sliding blocks 6, so that the position of the corresponding upper clamps 4 or the corresponding lower clamps 7 in the horizontal X-axis direction is adjusted;
the upper-layer clamp 4 and the lower-layer clamp 7 have the same structure and respectively comprise an installation cylinder 16 which is correspondingly fixedly connected with the upper-layer sliding block 3 or the lower-layer sliding block 6, an installation seat which rotates around the inner wall of the installation cylinder 16 in a sliding manner, a third adjusting screw rod 17 which is fixedly connected on the installation seat and passes through the corresponding installation cylinder 16, and a second rotating wheel 18 which is nested and installed at the outer end of the installation cylinder 16 in a relative rotating manner, wherein the third adjusting screw rod 17 passes through the second rotating wheel 18 and is connected with the second rotating wheel 18 in a rotating manner; the outer end of the third adjusting screw rod 17 is set as a clamping end, and the corresponding third adjusting screw rod 17 is driven to slide up and down along the mounting cylinder 16 by rotating the corresponding second rotating wheel 18 on the corresponding upper-layer clamp 4 or the corresponding lower-layer clamp 7, so that the position of the corresponding clamping end in the vertical Z-axis direction is controlled.
The special-shaped clamping structure is embedded with the corresponding structure part of the special-shaped fastener in a matching mode, and the stability of fixing the special-shaped fastener is guaranteed by clamping the special-shaped clamping structure with the special-shaped fastener to be reinforced through the clamping end of the upper clamp 4 or the lower clamp 7.
The utility model discloses a theory of operation is: when the device is used, the corresponding driving rotating wheel 13 is rotated to drive the driving gear 12 and the transmission gear 11 to rotate, so that the corresponding first adjusting screw rod 10 is driven to rotate, the corresponding upper-layer sliding seat 2 or the corresponding lower-layer sliding seat 5 is driven by the first adjusting screw rod 10 to move along the corresponding upper-layer sliding rail 8 or the corresponding lower-layer sliding rail 9, and the position of the upper-layer clamp 4 on the corresponding upper-layer mounting seat or the lower-layer clamp 7 on the corresponding lower-layer mounting seat in the horizontal Y-axis direction is adjusted;
the upper sliding block 3 or the lower sliding block 6 is driven to move along the corresponding second adjusting screw rod 14 by rotating the first rotating wheel 15 correspondingly installed on the upper sliding block 3 or the lower sliding block 6, so that the position of the corresponding upper clamp 4 or the lower clamp 7 in the horizontal X-axis direction is adjusted;
the corresponding third adjusting screw rod 17 is driven to slide up and down along the mounting cylinder 16 by rotating the corresponding second rotating wheel 18 on the corresponding upper-layer clamp 4 or the corresponding lower-layer clamp 7, so that the position adjustment of the corresponding clamping end in the vertical Z-axis direction is controlled;
therefore, the clamping ends corresponding to the upper-layer clamp 4 and the lower-layer clamp 7 of each group are accurately adjusted in a three-dimensional space, and stable clamping point positions are selected on the special-shaped fastener for fixing and clamping;
the special-shaped clamping structure is clamped and fixedly clamped with the special-shaped fastener to be reinforced through the clamping end of the upper clamp 4 or the lower clamp 7, so that the stability of fixing the special-shaped fastener is ensured.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a clamp mechanism is used in processing of heterotypic fastener which characterized in that: the device comprises an installation support (1), an upper layer clamping mechanism and a lower layer clamping mechanism, wherein the upper layer clamping mechanism and the lower layer clamping mechanism are all nested and installed on the installation support (1) in a horizontal relative sliding mode, and the upper layer clamping mechanism is arranged above the lower layer clamping mechanism;
the upper-layer clamping mechanism and the lower-layer clamping mechanism are at least provided with one group, the upper-layer clamping mechanism comprises an upper-layer sliding seat (2) which slides relative to the mounting bracket (1), an upper-layer sliding block (3) which is nested and mounted on the upper-layer sliding seat (2) in a relative sliding mode and has a movement direction perpendicular to that of the upper-layer sliding seat (2), and an upper-layer clamp (4) which is fixedly connected to the upper-layer sliding block (3) and is vertically arranged downwards;
the lower-layer clamping mechanism comprises a lower-layer sliding seat (5) which slides relative to the mounting support (1) and is arranged in parallel with the upper-layer sliding seat (2), a lower-layer sliding block (6) which is nested on the upper-layer sliding seat (2) in a relative sliding mode and has a movement direction vertical to that of the lower-layer sliding seat (5), and a lower-layer clamp (7) which is fixedly connected to the lower-layer sliding block (6) and is vertically and upwardly arranged;
the clamping end of the upper-layer clamp (4) and the clamping end of the lower-layer clamp (7) are both provided with a clamping buckle, and the clamping buckle is provided with a nested clamping special-shaped clamping structure.
2. The clamp mechanism for processing the special-shaped fastener according to claim 1, wherein: the upper sliding seat (8) is arranged above the mounting bracket (1) and is correspondingly nested with the upper sliding seat (2), the lower sliding seat (5) is arranged below the mounting bracket (1) and is correspondingly nested with the lower sliding seat (9), each group of upper sliding seat (2) and lower sliding seat (5) is provided with a first driving mechanism in a matched manner, each driving mechanism comprises a first adjusting screw rod (10), a transmission gear (11), a driving gear (12) and a driving rotating wheel (13), the first adjusting screw rods (10) are arranged on the corresponding upper sliding seat (8) or lower sliding seat (9) in a relative rotating manner, the upper sliding seat (2) and the lower sliding seat (5) are connected with the corresponding first adjusting screw rods (10) in a rotating manner, the tail end of each group of first adjusting screw rods (10) is fixedly connected with the transmission gear (11) and is in power connection with the corresponding driving rotating wheels (13), the driving gear (12) is fixedly connected with the corresponding driving rotating wheel (13), and the driving gear (12) is connected with the corresponding transmission gear (11) through a chain.
3. The clamp mechanism for processing the special-shaped fastener according to claim 2, wherein: the upper-layer clamping mechanism and the lower-layer clamping mechanism are oppositely provided with two groups, and the first adjusting screw rods (10) which are arranged on the upper-layer clamping mechanism in a matched mode keep an independent rotating state.
4. The clamp mechanism for processing the special-shaped fastener according to claim 2, wherein: each group of the upper sliding seat (2) and the lower sliding seat (5) is provided with a second driving mechanism in a matching way, and the second driving mechanism is in power connection with the corresponding upper sliding block (3) and the lower sliding block (6), all install on upper sliding seat (2), lower floor's sliding seat (5) and correspond upper sliding block (3), the nested sliding tray of lower floor sliding block (6), second actuating mechanism is including corresponding second accommodate the lead screw (14) of arranging in the sliding tray, with first change wheel (15) of relative pivoted mode nested installation in corresponding upper sliding block (3) or lower floor sliding block (6), second accommodate the lead screw (14) pass corresponding upper sliding block (3) or lower floor sliding block (6) and with and correspond first change wheel (15) and connect soon, first change wheel (15) partial structure expose outside corresponding upper sliding block (3) or lower floor sliding block (6).
5. The clamp mechanism for processing the special-shaped fastener according to claim 4, wherein: each group of upper sliding seat (2) and lower sliding seat (5) are provided with a plurality of groups of corresponding upper sliding blocks (3) and lower sliding blocks (6) which are matched with one group of corresponding second adjusting screw rods (14).
6. The clamp mechanism for processing the special-shaped fastener according to claim 5, wherein: the structure of upper anchor clamps (4), lower floor's anchor clamps (7) is the same and all include with upper sliding block (3) or lower floor sliding block (6) corresponding installation section of thick bamboo (16) of consolidation, with around installation section of thick bamboo (16) inner wall slip pivoted mount pad, consolidate on the mount pad and lead to third accommodate the lead screw (17) that correspond installation section of thick bamboo (16), rotate wheel (18) with the second of relative pivoted mode nested installation in installation section of thick bamboo (16) outer end, third accommodate the lead screw (17) lead to the second and rotate wheel (18) and connect soon with second rotation wheel (18).
7. The clamp mechanism for processing the special-shaped fastener according to claim 6, wherein: the outer end of the third adjusting screw rod (17) is set to be a clamping end.
8. The clamp mechanism for processing the special-shaped fastener according to claim 1, wherein: the special-shaped clamping structure is partially nested with the corresponding structure of the special-shaped fastener in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809084.4U CN212420465U (en) | 2020-05-15 | 2020-05-15 | Clamp mechanism for machining special-shaped fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020809084.4U CN212420465U (en) | 2020-05-15 | 2020-05-15 | Clamp mechanism for machining special-shaped fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212420465U true CN212420465U (en) | 2021-01-29 |
Family
ID=74286731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020809084.4U Expired - Fee Related CN212420465U (en) | 2020-05-15 | 2020-05-15 | Clamp mechanism for machining special-shaped fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212420465U (en) |
-
2020
- 2020-05-15 CN CN202020809084.4U patent/CN212420465U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107352043B (en) | A kind of six axis posture adjustment platforms for the installation of aircraft engine complete machine | |
| CN103579735B (en) | A kind of microwave antenna regulates device | |
| CN108677399B (en) | Sewing machine and thread cutting and presser foot lifting device thereof | |
| CN116014633B (en) | Diversified cable laying support | |
| CN105538043A (en) | Numerical control drilling and milling device for train roofs | |
| CN212420465U (en) | Clamp mechanism for machining special-shaped fastener | |
| CN105675307A (en) | Pedal rigidity comprehensive performance testing equipment | |
| CN112475596A (en) | Limiting mechanism for laser cutting machine capable of overturning materials | |
| CN102528451A (en) | Frame type five-axis turning and milling machining equipment | |
| CN217018094U (en) | Thick steel plate bending device for steel structure | |
| CN205352711U (en) | A vertical loading rotary mechanism for footboard rigidity comprehensive properties is experimental | |
| CN217257119U (en) | Evaporate and press aerated concrete block production with cutting equipment | |
| CN212193728U (en) | Machine tool component using artificial stone | |
| CN221042526U (en) | Motor with adjustable support | |
| CN211195927U (en) | Horizontal straight line adjustment mechanism of car seat | |
| CN220217707U (en) | Servo controller of numerical control machine tool | |
| CN209719895U (en) | A kind of rotary attitude regulating mechanism of aircraft | |
| CN109719521A (en) | A kind of high-precision multiaxis regulation control workbench | |
| CN103056413B (en) | Wheel rim drilling machine | |
| CN103386633B (en) | All-round machining center | |
| CN217256145U (en) | Fixing device is used in axle processing | |
| CN218748134U (en) | Cutter frame integral adjusting mechanism of cutting machine | |
| CN220592140U (en) | Pipe fitting welding positioning tool | |
| CN217832159U (en) | Universal processing mechanism for gear chamfering machine | |
| CN217749184U (en) | Front heel knife mechanism for cold-forming spline shaft processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |