CN220196234U - Feeding device of thread rolling machine for bolt production - Google Patents
Feeding device of thread rolling machine for bolt production Download PDFInfo
- Publication number
- CN220196234U CN220196234U CN202321654310.6U CN202321654310U CN220196234U CN 220196234 U CN220196234 U CN 220196234U CN 202321654310 U CN202321654310 U CN 202321654310U CN 220196234 U CN220196234 U CN 220196234U
- Authority
- CN
- China
- Prior art keywords
- block
- fixedly connected
- thread rolling
- rolling machine
- feeding
- 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.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000010079 rubber tapping Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 2
- 230000033001 locomotion Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Feeding Of Articles To Conveyors (AREA)
Abstract
The utility model relates to the technical field of thread rolling machines, and provides a feeding device of a thread rolling machine for bolt production, which comprises a base, wherein a cavity is formed in the base, a driving motor is opened through the arrangement of a material pushing block and the like, the driving motor drives a first crank to move through a second crank, a limiting rod in the first crank is connected in a sliding manner in a limiting groove, so that the first crank can reciprocate up and down, further, a connecting block is fixedly sleeved on the outer peripheral surface of the limiting rod, the material pushing block is connected with the connecting block through a fixing plate, so that the material pushing block moves up and down along with the limiting rod, the bolt can roll between two material feeding blocks, in addition, a cam repeatedly impacts the material feeding block, the material feeding block directly shakes, and the bolt enters the inside of the thread rolling machine along the direction of the material feeding block, so that the problem of poor practicability is solved.
Description
Technical Field
The utility model relates to the technical field of thread rolling machines, in particular to a feeding device of a thread rolling machine for bolt production.
Background
At present, a thread rolling machine is a multifunctional cold extrusion forming machine tool, and can carry out thread, straight line, twill rolling and other treatments on a workpiece in a cold state within the rolling force range; rolling of straight teeth, helical teeth and helical spline gears; straightening, reducing, rolling and various forming and rolling. The machine has a safe and reliable electro-hydraulic execution and control system, and each working cycle can be selected in three modes of manual mode, semi-automatic mode and automatic mode.
In the prior art, a conveyor belt and a turning mechanism are used for completing the transportation action of materials, although the materials can be moved, the direction of each bolt cannot be guaranteed, and the tapping action can be performed only by arranging the bolts after the bolts enter a tapping machine, so that the problem of poor practicability exists.
Disclosure of Invention
The utility model provides a feeding device of a thread rolling machine for bolt production, which solves the problem of the feeding device of the thread rolling machine for bolt production in the related art.
The technical scheme of the utility model is as follows:
the automatic tapping machine comprises a base, wherein a cavity is formed in the base, a tapping machine body is arranged at the top of the base, a shell is fixedly connected to the top of the base through screws, a mounting block is fixedly connected to the inner wall of the shell through screws, a driving motor is arranged in the mounting block, a coaxially arranged driving shaft is connected to the output end of the driving motor through a connector, a second crank is fixedly sleeved on the driving shaft, a first crank is movably hinged to the other end of the second crank, a limiting rod is rotatably arranged in the first crank, two limit blocks which are symmetrically arranged are fixedly connected to the inner wall of the base through screws, two ends of the limiting rod are respectively and slidably assembled in the two limit blocks, two symmetrically arranged feeding blocks are fixedly connected to the top of the shell through screws, the cavity is formed in the inner part of the feeding hopper, one side of each feeding block is fixedly connected with a third fixing block through screws, two limit blocks are fixedly connected to the inner side of the feeding hopper through screws, two limit blocks are fixedly connected to the two limit blocks through screws, and the two limit blocks are fixedly arranged on the periphery of the two limit blocks through the two limit blocks, and the two limit blocks are fixedly connected to the periphery of the two limit blocks through screws, and the two limit blocks are fixedly arranged on the periphery of the limit blocks;
one side of casing is through screw fixedly connected with first fixed block, first connecting axle is installed in the inside rotation of first fixed block, first connecting axle with the common cover is equipped with first synchronous area before the drive shaft, screw fixedly connected with second fixed block is passed through to one side of feeder hopper, the inside rotation of second fixed block is installed the second connecting axle, common cover is equipped with the second hold-in range between second connecting axle and the first connecting axle, fixed cover is equipped with the cam on the outer peripheral face of second connecting axle.
Preferably, the bottom of base rotates installs four connecting rods that are symmetrical arrangement, four the bottom of connecting rod is through screw fixedly connected with mount, four the inside of mount is all rotated and is installed the gyro wheel.
Preferably, the limiting grooves are formed in the limiting blocks, the limiting rods are connected in a sliding mode in the limiting grooves, and the limiting grooves are formed in the limiting rods.
Preferably, the mounting block is internally provided with a mounting groove, the driving motor is positioned in the mounting groove, and the structure can be more stable through the arrangement of the mounting groove.
Preferably, the feed hopper is internally provided with a feed chute, and the feed block penetrates through the feed chute, so that the structure is more stable through the arrangement of the feed chute.
Preferably, the inside of feeder hopper has seted up the special-shaped groove, the welding has two springs that are symmetrical arrangement on the diapire in special-shaped groove, the other end welding of spring is in the bottom of material feeding piece just can make the material feeding piece shake directly through the setting of spring.
Preferably, the inside of first fixed block has been seted up and has been changeed the hole, first connecting axle rotates to be connected the inside of changeing the hole, just can make the structure more stable through the setting of changeing the hole.
Preferably, the through hole is set up in the inside of second fixed block, the second connecting axle rotates to be connected the inside of through-hole, just can make the structure more stable through the setting of through-hole.
Preferably, the round hole has been seted up to the inside of connecting block, the gag lever post passes the inside of round hole, just can make the structure more stable through the setting of round hole.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, through the arrangement of the structure such as the pushing block and the like, the driving motor is started, the driving motor drives the first crank to move through the second crank, the limiting rod in the first crank is connected in the limiting groove in a sliding manner, so that the first crank can reciprocate up and down, further, the connecting block is fixedly sleeved on the outer peripheral surface of the limiting rod, the pushing block is connected with the pushing block through the fixing plate, so that the pushing block moves up and down along with the limiting rod, when the pushing block moves to the bottom of the feeding hopper, the bolt rolls onto the pushing block and is conveyed upwards to the third fixing block, the bolt rolls between the two feeding blocks because the top end of the third fixing block is inclined, the thin part of the bolt falls between the two feeding blocks, the bolt head is clamped on the feeding blocks, and the cam is driven to rotate through the synchronous belt, so that the cam repeatedly impacts the feeding block, the feeding block directly shakes, and the bolt enters the inside of the tapping machine along the direction of the feeding block, and the problem of poor practicability is solved.
2. According to the utility model, through the arrangement of the structures such as the roller and the fixing frame, the four symmetrically arranged connecting rods are arranged at the bottom of the base, the fixing frame is arranged at the bottom of the connecting rods, the roller is arranged in the fixing frame, and when the device is required to be moved, the device can be easily pushed through the roller, so that the problem of difficult movement is solved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a feeding structure according to the present utility model;
FIG. 3 is a schematic diagram of a transmission structure of the present utility model;
FIG. 4 is a schematic view of the whole structure of another view of the present utility model;
FIG. 5 is a schematic view of a limiting structure of the present utility model;
FIG. 6 is a schematic diagram of a moving structure according to the present utility model
Fig. 7 is a schematic diagram of a vibrating structure according to the present utility model.
In the figure: 1. a base; 2. a tapping machine body; 3. a housing; 4. a feed hopper; 5. a feed block; 6. a third fixed block; 7. a pushing block; 8. a fixing plate; 9. a connecting block; 10. a limit rod; 11. a first crank; 12. a second crank; 13. a drive shaft; 14. a driving motor; 15. a mounting block; 16. a limiting block; 17. a limit groove; 18. a connecting rod; 19. a fixing frame; 20. a roller; 21. a first synchronization belt; 22. a first fixed block; 23. a first connecting shaft; 24. a second timing belt; 25. a second fixed block; 26. a second connecting shaft; 27. a cam; 28. and (3) a spring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 7, the embodiment proposes a tapping machine comprising a base 1, a cavity is formed in the base 1, a tapping machine body 2 is mounted at the top of the base 1, a shell 3 is fixedly connected to the top of the base 1 through screws, a mounting block 15 is fixedly connected to the inner wall of the shell 3 through screws, a driving motor 14 is mounted in the mounting block 15, a driving shaft 13 coaxially arranged is connected to the output end of the driving motor 14 through a connector, a second crank 12 is fixedly sleeved on the driving shaft 13, a first crank 11 is movably hinged to the other end of the second crank 12, a limiting rod 10 is rotatably mounted in the first crank 11, two symmetrically arranged limiting blocks 16 are fixedly connected to the inner wall of the base 1 through screws, two ends of the limiting rod 10 are respectively and slidably assembled in the two limiting blocks 16, a feeding hopper 4 is fixedly connected to the top of the shell 3 through screws, the inside of the feed hopper 4 is provided with a cavity, the inside of the feed hopper 4 is fixedly connected with two symmetrically arranged feed blocks 5 through screws, the tops of the two feed blocks 5 are inclined, one side of each feed block 5 is fixedly connected with a third fixed block 6 through screws, the inside of the feed hopper 4 is slidably provided with a fixed plate 8, the tops of the fixed plates 8 are fixedly connected with two symmetrically arranged push blocks 7 through screws, the tops of the two push blocks 7 are inclined, the bottoms of the fixed plates 8 are fixedly connected with connecting blocks 9 through screws, the connecting blocks 9 are fixedly sleeved on the outer peripheral surface of a limiting rod 10, one side of a shell 3 is fixedly connected with a first fixed block 22 through screws, a first connecting shaft 23 is rotatably arranged in the first fixed block 22, a first synchronous belt 21 is sleeved in the first connecting shaft 23 and the front of a driving shaft 13, one side of feeder hopper 4 is through screw fixedly connected with second fixed block 25, the inside rotation of second fixed block 25 installs second connecting axle 26, the common cover is equipped with second hold-in range 24 between second connecting axle 26 and the first connecting axle 23, fixed cover is equipped with cam 27 on the outer peripheral face of second connecting axle 26, through the setting of structure such as push block 7, open driving motor 14, driving motor 14 drives first crank 11 motion through second crank 12, again because the inside gag lever post 10 sliding connection of first crank 11 is in the inside of spacing groove 17, so reciprocating motion about first crank 11 can be carried out, further because fixed cover is equipped with connecting block 9 on the outer peripheral face of gag lever post 10, and be connected with push block 7 through fixed plate 8 again on the connecting block 9, so push block 7 can follow the same time up-and-down motion of gag lever post 10, wait that push block 7 moves to the bottom of feeder hopper 4, the bolt can roll to push block 7, by push block 7 upwards transport to on the third fixed block 6, again because the top of third fixed block 6 is the slope form, so can fall to the inside of two cams 5 between two blocks, and the two blocks 5 can fall down in the direction of the rotation, thereby the utility model can make the feeding machine can be difficult to make the inside the two blocks 5, and the problem is solved, and the screw bolt is difficult to the inside the feeding machine is down, and the screw is difficult to be moved down, and the inside the feeding bolt is down, and the problem can be down, and can be moved down, and the inside down, and can be moved down, and the bolt 5, and can be moved down, and can be moved, and the 5.
The limiting grooves 17 are formed in the two limiting blocks 16, and part of the limiting rod 10 is connected inside the limiting grooves 17 in a sliding mode.
The bottom of the base 1 is rotatably provided with four symmetrically arranged connecting rods 18, the bottoms of the four connecting rods 18 are fixedly connected with fixing frames 19 through screws, and the interiors of the four fixing frames 19 are rotatably provided with idler wheels 20.
The limiting grooves 17 are formed in the two limiting blocks 16, and part of the limiting rod 10 is connected inside the limiting grooves 17 in a sliding mode.
The inside of the mounting block 15 is provided with a mounting groove, and the driving motor 14 is positioned inside the mounting groove.
The feed hopper 4 is internally provided with a feed chute, and the feed block 5 passes through the interior of the feed chute.
The inside of the feed hopper 4 is provided with a special-shaped groove, two symmetrically arranged springs 28 are welded on the bottom wall of the special-shaped groove, and the other ends of the springs 28 are welded at the bottom of the feeding block 5.
The first fixing block 22 has a rotation hole formed therein, and the first connecting shaft 23 is rotatably connected to the inside of the rotation hole.
The second fixing block 25 has a through hole formed therein, and the second connecting shaft 26 is rotatably connected to the inside of the through hole.
A round hole is formed in the connecting block 9, and a limiting rod 10 penetrates through the round hole.
In this embodiment, first, open driving motor 14, driving motor 14 passes through drive shaft 13 and drives second crank 12 rotation, second crank 12 drives the first crank 11 motion of hinging above that, again because the inside rotation of first crank 11 installs gag lever post 10, and the both ends of gag lever post 10 are sliding connection in the inside of spacing groove 17 respectively, so first crank 11 can only drive gag lever post 10 and do reciprocating motion from top to bottom, again because fixed cover is equipped with connecting block 9 on gag lever post 10's the outer peripheral face, and connecting block 9 passes through fixed plate 8 and two ejector half 7 connection again, so along with driving motor 14's start-up, two ejector half 7 can reciprocate from top to bottom, wait that the top of ejector half 7 moves to the bottom of feeder hopper 4, and then the inside bolt of feeder hopper 4 can roll down to the ejector half 7 top because of the inclined plane that the ejector half 7 top set up, and then be transported to the top of third fixed block 6 because the top of third fixed block 6 also is the inclined form, the bolt can roll down to the top of ejector half 5, still be greater than diameter for the fixed cover on the outer peripheral face of gag lever post 10, and connecting block 9 is less than diameter, and two ejector half 7 can be by the vertical drive plate 21 and the inside of the inside rotation of the ejector half 7, can be in proper order to make the inside the ejector sleeve-bolt of the ejector sleeve 13, and the inside can be the inside the ejector sleeve is rotated by the ejector sleeve of a screw, and the inside the ejector sleeve is rotated by the ejector sleeve of the 13, and the ejector sleeve is rotated by the ejector sleeve and the ejector sleeve is moved up, the ejector sleeve is mounted on the ejector sleeve is's 5, and the ejector sleeve is mounted.
Example 2
As shown in fig. 1 to 7, based on the same concept as that of the above embodiment 1, this embodiment also proposes that four symmetrically arranged connecting rods 18 are rotatably installed at the bottom of the base 1, the bottoms of the four connecting rods 18 are fixedly connected with fixing frames 19 through screws, rollers 20 are rotatably installed in the interiors of the four fixing frames 19, four symmetrically arranged connecting rods 18 are provided at the bottom of the base 1, the fixing frames 19 are provided at the bottoms of the connecting rods 18, rollers 20 are provided in the interiors of the fixing frames 19, and when the device is wanted to be moved, the device can be easily pushed through the rollers 20, so that the problem of difficult movement is solved.
In this embodiment, four rollers 20 are disposed at the bottom of the base 1, so that when the device needs to be moved, the device can be easily moved only by the four rollers 20 at the bottom without needing to use other devices, and the problem of difficult movement is solved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a feeding device of thread rolling machine for bolt production, its characterized in that, including base (1), cavity has been seted up to the inside of base (1), tapping machine main part (2) are installed at the top of base (1), screw fixedly connected with casing (3) are passed through at the top of base (1), through screw fixedly connected with installation piece (15) on the inner wall of casing (3), internally mounted of installation piece (15) has driving motor (14), the output of driving motor (14) is connected with drive shaft (13) of coaxial setting through the connector, fixed cover is equipped with second crank (12) on drive shaft (13), the other end swing joint of second crank (12) has first crank (11), the inside rotation of first crank (11) is installed gag lever (10), through screw fixedly connected with two stopper (16) that are symmetrical arrangement on the inner wall of base (1), the both ends of gag lever (10) are respectively sliding fit in the inside of two stopper (16), the inside of casing (3) are through screw fixedly connected with two inside pieces (4) are arranged through screw (5), the inside of two hopper (4) are arranged through the inside of two hopper (4) is equipped with the cavity (5), one side of each feeding block (5) is fixedly connected with a third fixed block (6) through a screw, a fixed plate (8) is assembled in the feed hopper (4) in a sliding mode, two symmetrically arranged pushing blocks (7) are fixedly connected to the top of each fixed plate (8) through screws, the tops of the two pushing blocks (7) are inclined, a connecting block (9) is fixedly connected to the bottom of each fixed plate (8) through a screw, and the connecting blocks (9) are fixedly sleeved on the outer peripheral surface of each limiting rod (10);
one side of casing (3) is through screw fixedly connected with first fixed block (22), first connecting axle (23) are installed in the inside rotation of first fixed block (22), first connecting axle (23) with overlap before drive shaft (13) jointly and be equipped with first synchronous area (21), one side of feeder hopper (4) is through screw fixedly connected with second fixed block (25), second connecting axle (26) are installed in the inside rotation of second fixed block (25), overlap jointly between second connecting axle (26) and first connecting axle (23) and be equipped with second synchronous area (24), fixed cover is equipped with cam (27) on the outer peripheral face of second connecting axle (26).
2. The feeding device of the thread rolling machine for bolt production according to claim 1, wherein four symmetrically arranged connecting rods (18) are rotatably arranged at the bottom of the base (1), fixing frames (19) are fixedly connected to the bottoms of the four connecting rods (18) through screws, and idler wheels (20) are rotatably arranged in the four fixing frames (19).
3. The feeding device of the thread rolling machine for bolt production according to claim 1, wherein the two limiting blocks (16) are provided with limiting grooves (17) inside, and the limiting rod (10) is partially and slidably connected inside the limiting grooves (17).
4. The feeding device of a thread rolling machine for bolt production according to claim 1, wherein the inside of the mounting block (15) is provided with a mounting groove, and the driving motor (14) is positioned in the mounting groove.
5. The feeding device of the thread rolling machine for bolt production according to claim 1, wherein a feeding groove is formed in the feeding hopper (4), and the feeding block (5) penetrates through the feeding groove.
6. The feeding device of the thread rolling machine for bolt production according to claim 1, wherein a special-shaped groove is formed in the feed hopper (4), two symmetrically arranged springs (28) are welded on the bottom wall of the special-shaped groove, and the other ends of the springs (28) are welded at the bottom of the feeding block (5).
7. The feeding device of a thread rolling machine for bolt production according to claim 1, wherein a rotating hole is formed in the first fixing block (22), and the first connecting shaft (23) is rotatably connected to the inside of the rotating hole.
8. The feeding device of a thread rolling machine for bolt production according to claim 1, wherein the second fixing block (25) is internally provided with a through hole, and the second connecting shaft (26) is rotatably connected to the inside of the through hole.
9. Feeding device of a thread rolling machine for bolt production according to claim 1, characterized in that the inside of the connecting block (9) is provided with a round hole, and the limit rod (10) passes through the inside of the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654310.6U CN220196234U (en) | 2023-06-27 | 2023-06-27 | Feeding device of thread rolling machine for bolt production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654310.6U CN220196234U (en) | 2023-06-27 | 2023-06-27 | Feeding device of thread rolling machine for bolt production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196234U true CN220196234U (en) | 2023-12-19 |
Family
ID=89141215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321654310.6U Active CN220196234U (en) | 2023-06-27 | 2023-06-27 | Feeding device of thread rolling machine for bolt production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196234U (en) |
-
2023
- 2023-06-27 CN CN202321654310.6U patent/CN220196234U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3831591B1 (en) | Horizontal high-speed paper cup/paper bowl forming machine | |
| CN102125291B (en) | Full-automatic lotus seed side opening machine | |
| CN214646700U (en) | Multi-station upward-swinging heat transfer printing machine for taper products | |
| CN111167989A (en) | Horizontal radial forging machine | |
| CN220196234U (en) | Feeding device of thread rolling machine for bolt production | |
| CN112958632B (en) | Rolling forming method for aluminum alloy plate | |
| CN112872205A (en) | Rolling forming machine for producing anti-theft door | |
| CN106001112A (en) | Rolling type foil making equipment | |
| CN2231149Y (en) | Bottle cap processing machine | |
| CN213409934U (en) | Wind gap cover production is with rolling up bender | |
| CN113042800B (en) | Plate shearing machine with automatic flitch fixing mechanism | |
| CN211437939U (en) | Horizontal radial forging machine | |
| CN210998130U (en) | Electromechanical integrated special feeding device | |
| CN210794522U (en) | Adjustable bin adjusting mechanism of adjustable bin ejection cabinet type machine | |
| CN112743974A (en) | Multi-station upward-swinging heat transfer printing machine for taper products | |
| CN2621094Y (en) | Feed-in swing mechanism of cold pilger mill | |
| CN109335640B (en) | Mould splitting device for rod-shaped solid flocculant | |
| CN210634144U (en) | Pendulum bob folding device for rock wool blank | |
| CN221395847U (en) | Rotary belt conveyor | |
| CN111547993A (en) | Screw forming structure | |
| CN217858613U (en) | Continuous near-net-shape forming device for forging production | |
| CN116851625B (en) | Feeding device for forging processing of roll forging machine and using method | |
| CN2367302Y (en) | Speed-control fully-automatic efficient pill-kneading machine | |
| CN109834213A (en) | A kind of forging punching machine convenient for carrying out handling work to large-sized forging part | |
| CN221252026U (en) | Guiding mechanism of carton sealing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |