CN220902684U - Safety protection structure of pipe cutting machine - Google Patents
Safety protection structure of pipe cutting machine Download PDFInfo
- Publication number
- CN220902684U CN220902684U CN202322606582.5U CN202322606582U CN220902684U CN 220902684 U CN220902684 U CN 220902684U CN 202322606582 U CN202322606582 U CN 202322606582U CN 220902684 U CN220902684 U CN 220902684U
- Authority
- CN
- China
- Prior art keywords
- fixed
- rod
- cutting machine
- sliding
- pipe cutting
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 62
- 230000003044 adaptive effect Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005341 toughened glass Substances 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
- Sawing (AREA)
Abstract
The utility model discloses a safety protection structure of a pipe cutting machine, which comprises a pipe cutting machine body and further comprises: one side of the pipe cutting machine body is provided with a protection component, one side of the protection component is symmetrically provided with a collection component, the protection component comprises a fixed plate fixedly arranged above one side of the pipe cutting machine body, a fixed rod is fixedly arranged at the center of the top of the fixed plate, a rotating plate is sleeved above the outer part of the fixed rod, the rotating plate is rotationally connected with the fixed rod, the outer part of the fixed rod is positioned below the rotating plate and fixedly provided with a fixed sleeve, a plurality of limit holes are symmetrically formed in the top of the fixed sleeve, a inserted rod is symmetrically arranged at the center of the bottom of the rotating plate, and the inserted rod is in adaptive connection with the limit holes; the angle and the position of two baffles can be adjusted when the cutting of different angles is carried out, so that spark can be well shielded when the cutting is carried out after the adjustment, different processing requirements are met, and the practicability is improved.
Description
Technical Field
The utility model relates to the technical field of pipe cutting machines, in particular to a safety protection structure of a pipe cutting machine.
Background
The container is a component tool which can be loaded and packaged or unpackaged for transportation and is convenient for loading, unloading and carrying by mechanical equipment. In the production process of the container, a part of components are formed by square pipes or round pipes, and the other part of components are required to be cut by a pipe cutting machine during processing.
Publication number CN219188856U discloses a take protective structure's pipe cutting machine, this patent is fixed the backup pad at the top of slip table when cutting operation through the screw, the motor drives the lead screw and rotates, the lead screw is through the screw effect with the slip table drives slip table and all parts of top installation and remove, after the frame moved to suitable position, the gomphosis piece of one of them frame side fixed mounting can gomphosis to the inboard of the gomphosis groove of another frame side seting up, cooperation through toughened glass and overhead gage is kept out the spark that produces in the cutting operation, and it is convenient to operate for the staff, but this patent still has following problem in the in-service use:
The screw rod is driven to rotate through the two motors, so that the screw rod drives all parts of the sliding table and the top of the sliding table to move through the screw action of the sliding table, sparks generated in cutting work can be resisted after the frame moves to a proper position, but when the cutting of different angles is carried out on a pipe fitting in actual use, the movement range of sparks generated in the cutting process is changed when the cutting angle is changed, the positions of the two baffle plates after combination cannot be changed, and then the sparks cannot be fully shielded.
A safety protection structure of a pipe cutting machine is provided so as to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a safety protection structure of a pipe cutting machine, which aims to solve the problems that in the prior art, a screw rod is driven to rotate by two motors, so that the screw rod drives all parts arranged on the top of a sliding table to move through the action of threads on the sliding table, sparks generated in cutting work can be resisted after a frame moves to a proper position, but when cutting pipes at different angles in actual use, the movement range of the sparks generated in the cutting process is changed, the positions of two baffles cannot be changed after being combined, and the sparks cannot be fully shielded.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a safety protection structure of a pipe cutting machine comprises a pipe cutting machine body;
Further comprises:
a protection component is arranged on one side of the pipe cutting machine body, and a collection component is symmetrically arranged on one side of the protection component;
The protection assembly comprises a fixed plate fixedly arranged above one side of the pipe cutting machine body, a fixed rod is fixedly arranged in the center of the top of the fixed plate, a rotating plate is sleeved above the outer part of the fixed rod, the rotating plate is rotationally connected with the fixed rod, and a fixed sleeve is fixedly arranged below the rotating plate outside the fixed rod;
Wherein, a plurality of spacing hole has been seted up to the top symmetry of fixed cover, and the bottom central symmetry of rotor plate installs the inserted bar to the inserted bar is connected with spacing hole adaptation.
Preferably, the sliding grooves are symmetrically formed in the tops of the rotating plates, sliding blocks are connected in the sliding grooves in a sliding mode, and two baffles are fixedly installed at the tops of the two sliding blocks respectively.
Preferably, the collecting assembly comprises two fixing seats fixedly installed on one side of the two baffles, which are close to the pipe cutting machine body, the top of each fixing seat is provided with a collecting hopper, limit sleeves are symmetrically installed above two sides of each fixing seat, and sliding rods are connected with two sides of each fixing seat and the inner parts of the two limit sleeves in a sliding mode.
Preferably, the arc-shaped grooves are symmetrically formed in two sides of the fixed plate, the column blocks are symmetrically arranged at two sides of the bottom of the rotating plate and are in sliding connection with the arc-shaped grooves, the positioning block is fixedly arranged on one side of the baffle plate on one side, the positioning groove is formed in one side, close to the positioning block, of the baffle plate on the other side, and the positioning block is connected with the positioning groove in an adaptive mode.
Preferably, two one side below fixed mounting that the baffle kept away from mutually has the fixed block, and the inside sliding connection of fixed block has the movable rod to the top fixed mounting of movable rod has the handle, and the bottom fixed mounting of movable rod has the limiting plate moreover, and the outside below cover of movable rod is equipped with expansion spring, and expansion spring's one end and fixed block fixed connection, expansion spring's the other end and limiting plate fixed connection moreover.
Preferably, two sets of the sliding rods are fixedly installed with clamping plates at one ends close to each other, pull rings are fixedly installed at one ends, far away from the clamping plates, of the sliding rods, reset springs are sleeved outside the sliding rods, one ends of the reset springs are fixedly connected with the fixing base, and the other ends of the reset springs are fixedly connected with the clamping plates.
Preferably, the two sides of the fixing seat are positioned below the sliding rod and are slidably connected with a limiting rod, and one end of the limiting rod is fixedly connected with the clamping plate.
Compared with the prior art, the utility model has the beneficial effects that: this safety protection structure of pipe cutting machine has set up protective component in one side of pipe cutting machine body, can adjust the angle and the position of two baffles when carrying out the cutting of different angles for cut after adjusting and can carry out fine shielding to the spark, satisfy different processing demands, promoted the practicality, its concrete content is as follows:
1. The protection component is arranged on one side of the pipe cutting machine body, the rotating plate can be lifted up when cutting at different angles is carried out, the inserted link on the rotating plate is separated from the limit hole on the fixed sleeve, the rotating plate can be rotated after the rotating plate is lost to limit, the rotating plate is put down after the rotating plate is rotated, the inserted link is inserted into the limit hole to limit the rotating plate, the column block can slide in the arc-shaped groove when the rotating plate rotates, the handle is pulled to drive the movable rod to slide on the fixed block after the angle of the rotating plate is adjusted, the limiting plate can be driven to lift up and compress the telescopic spring, the two baffles can be moved according to the cutting position, after moving, the positioning block on one baffle plate is inserted into the positioning groove on the other baffle plate, so that the baffle plates can be positioned, after moving, the handle telescopic springs are loosened to restore the lamination of the deformation limiting plate and the rotating plate to limit the two baffle plates, so that the cutting at different angles can be shielded and protected, the angle and the position of the two baffle plates can be adjusted when the cutting at different angles is carried out through the protecting component, spark can be shielded well when the cutting is carried out after the adjustment, different processing requirements are met, and the practicability is improved;
2. The collecting assembly is symmetrically arranged on one side of the protecting assembly, most sparks can fall into the collecting hopper on the fixing base under the shielding of the baffle when the baffle shields the sparks of cutting, the sparks are cooled into chips in the collecting hopper, when the chips in the collecting hopper are intensively cleaned, the two pull rings of the fixing base are pulled to drive the sliding rod to slide on the fixing base and the limiting sleeve, so that the clamping plate can be driven to move and compress the reset spring, the clamping plate can be driven to slide on the fixing base in the moving process, the moving stability is improved, the collecting hopper is further enabled to lose limiting, the collecting hopper can be taken down to intensively clean the chips, the sparks generated by cutting are conveniently collected in a concentrated mode through the collecting assembly, and the chips are conveniently cleaned in a concentrated mode, so that the practicability is improved.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic view of a protective assembly according to the present utility model;
FIG. 3 is an enlarged schematic view of the area A in FIG. 1 according to the present utility model;
FIG. 4 is a schematic top view of the retaining sleeve of the present utility model;
FIG. 5 is a schematic top view of the fixing plate of the present invention;
FIG. 6 is a schematic side view of the present invention protection assembly;
FIG. 7 is a schematic view of the rear structure of the present utility protection assembly;
Fig. 8 is an enlarged view of the area B in fig. 7.
In the figure: 1. a pipe cutting machine body; 2. a protective assembly; 201. a fixing plate; 202. a fixed rod; 203. a rotating plate; 204. a fixed sleeve; 205. a rod; 206. a limiting hole; 207. a sliding groove; 208. a sliding block; 209. a baffle; 210. an arc-shaped groove; 211. a column block; 212. a positioning block; 213. a positioning groove; 214. a fixed block; 215. a movable rod; 216. a handle; 217. a limiting plate; 218. a telescopic spring; 3. a collection assembly; 301. a fixing seat; 302. a collection bucket; 303. a slide bar; 304. a limit sleeve; 305. a return spring; 306. a clamping plate; 307. a pull ring; 308. and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled 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.
Referring to fig. 1-8, the present utility model provides the following technical solutions: the utility model provides a safety protection structure of pipe cutting machine, includes pipe cutting machine body 1, still includes: one side of pipe cutting machine body 1 is provided with protection component 2, and protection component 2's one side symmetry is provided with collection subassembly 3, wherein, protection component 2 includes fixed mounting at the fixed plate 201 of pipe cutting machine body 1 one side top, and the top center fixed mounting of fixed plate 201 has dead lever 202, and the outside top cover of dead lever 202 is equipped with rotor plate 203, rotor plate 203 is connected with the rotor plate 202 rotation and the outside of dead lever 202 is located rotor plate 203's below fixed mounting and has fixed cover 204, wherein, a plurality of spacing hole 206 has been seted up to the top symmetry of fixed cover 204, and the inserted bar 205 is installed to the bottom center symmetry of rotor plate 203, and inserted bar 205 and spacing hole 206 adaptation are connected, can adjust the angle and the position of two baffles 209 when carrying out the cutting of different angles through protection component 2, make and cut out fine shielding to the spark after the regulation, satisfy different processing demands, the practicality has been promoted.
The sliding groove 207 is symmetrically arranged at the top of the rotating plate 203, the sliding blocks 208 are connected in the sliding groove 207 in a sliding way, two baffle plates 209 are respectively and fixedly arranged at the tops of the two sliding blocks 208, the shielding positions of the two baffle plates 209 can be adjusted, the collecting assembly 3 comprises two fixing seats 301 fixedly arranged at one side of the two baffle plates 209 close to the pipe cutting machine body 1, the top of each fixing seat 301 is provided with a collecting bucket 302, limit sleeves 304 are symmetrically arranged above two sides of each fixing seat 301, sliding rods 303 are connected with the two sides of each fixing seat 301 and the inner parts of the two limit sleeves 304 in a sliding way, the collecting assembly 3 is convenient for collecting sparks generated by cutting in a concentrated way, the chips are conveniently cleaned in a concentrated way, the practicability is improved, arc grooves 210 are symmetrically arranged at two sides of the fixing plates 201, the column blocks 211 are symmetrically arranged at two sides of the bottom of the rotating plate 203, and the column block 211 is in sliding connection with the arc-shaped groove 210, one side of the baffle 209 on one side is fixedly provided with the positioning block 212, one side of the baffle 209 on the other side, which is close to the positioning block 212, is provided with the positioning groove 213, the positioning block 212 is in adaptive connection with the positioning groove 213, the rotation of the rotating plate 203 can be limited, the fixed blocks 214 are fixedly arranged below the sides, which are wanted to be far away, of the two baffles 209, the movable rods 215 are in sliding connection with the inside of the fixed blocks 214, the handles 216 are fixedly arranged at the tops of the movable rods 215, the limiting plates 217 are fixedly arranged at the bottoms of the movable rods 215, the telescopic springs 218 are sleeved below the outsides of the movable rods 215, one ends of the telescopic springs 218 are fixedly connected with the fixed blocks 214, the other ends of the telescopic springs 218 are fixedly connected with the limiting plates 217, the baffle 209 can be limited, the clamping plates 306 are fixedly arranged at the ends, which are close to the two groups of the sliding rods 303, and the one end fixed mounting that slide bar 303 kept away from splint 306 has pull ring 307 to the outside cover of slide bar 303 is equipped with reset spring 305, and reset spring 305's one end and fixing base 301 fixed connection moreover, reset spring 305's the other end and splint 306 fixed connection, compare that and the user take off to collecting bucket 302, the both sides of fixing base 301 are located slide bar 303's below sliding connection has gag lever post 308, and the one end and the splint 306 fixed connection of gag lever post 308 carry out the spacing to the removal of splint 306, promote the stability of removal.
Working principle: before the safety protection structure of the pipe cutting machine is used, the whole situation of the device needs to be checked firstly, normal work can be confirmed, according to the requirements shown in fig. 1-8, the protection component 2 is arranged on one side of the pipe cutting machine body 1, the rotating plate 203 can be lifted up when cutting at different angles, the inserted link 205 on the rotating plate 203 is separated from the limiting hole 206 on the fixed sleeve 204, the rotating plate 203 can rotate the rotating plate 203 in a limiting way, the rotating plate 203 is put down after rotation, the inserted link 205 is inserted into the limiting hole 206 to limit the rotating plate 203, the rotating plate 203 rotates, the column block 211 can slide in the arc-shaped groove 210, the movable rod 215 is driven to slide on the fixed block 214 by pulling the handle 216 after the angle adjustment of the rotating plate 203, the limiting plate 217 can be driven to lift and compress the telescopic spring 218, the two baffles 209 can be moved according to the cutting positions, the sliding block 208 slides in the sliding groove 207, the positioning block 212 on one baffle 209 is inserted into the positioning groove 213 on the other baffle 209, the two baffles 209 can be moved, the two baffles can be adjusted to be well, and the two baffles can be cut at different angles when the two baffles 203 are cut, the same requirements can be adjusted, and the requirements can be met, the two requirements can be met, and the two requirements can be met when the cutting requirements can be adjusted, and the angle can be adjusted, and the two baffles can be adjusted by adjusting the angle and the angle can be adjusted;
the collecting assembly 3 is symmetrically arranged on one side of the protecting assembly 2, most sparks can fall into the collecting hopper 302 on the fixing base 301 under the shielding of the baffle 209 when the baffle 209 shields the cut sparks, the sparks are cooled into chips in the collecting hopper 302, when the chips in the collecting hopper 302 are intensively cleaned, the two pull rings 307 of the fixing base 301 are pulled to drive the sliding rod 303 to slide on the fixing base 301 and the limiting sleeve 304, the clamping plate 306 can be driven to move and compress the reset spring 305, the clamping plate 306 can drive the limiting rod 308 to slide on the fixing base 301 in the moving process, the moving stability is improved, the collecting hopper 302 can be further removed to intensively clean the chips by losing the limiting of the collecting hopper 302, the sparks generated by cutting are conveniently collected intensively by the collecting assembly 3, and the chips are conveniently cleaned intensively, so that the practicability is improved.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The safety protection structure of the pipe cutting machine comprises a pipe cutting machine body (1);
Characterized by further comprising:
One side of the pipe cutting machine body (1) is provided with a protection component (2), and one side of the protection component (2) is symmetrically provided with a collection component (3);
The protection assembly (2) comprises a fixed plate (201) fixedly arranged above one side of the pipe cutting machine body (1), a fixed rod (202) is fixedly arranged at the top center of the fixed plate (201), a rotating plate (203) is sleeved above the outer part of the fixed rod (202), the rotating plate (203) is rotationally connected with the fixed rod (202), and a fixed sleeve (204) is fixedly arranged below the rotating plate (203) outside the fixed rod (202);
Wherein, a plurality of spacing holes (206) are symmetrically arranged at the top of the fixed sleeve (204), the bottom center of the rotating plate (203) is symmetrically provided with a plug rod (205), and the plug rod (205) is in fit connection with the spacing holes (206).
2. The pipe cutting machine safety protection structure according to claim 1, wherein: the top of the rotating plate (203) is symmetrically provided with sliding grooves (207), sliding blocks (208) are connected inside the sliding grooves (207) in a sliding mode, and two baffles (209) are respectively and fixedly arranged at the tops of the two sliding blocks (208).
3. The pipe cutting machine safety protection structure according to claim 1, wherein: the collecting assembly (3) comprises two fixing seats (301) fixedly installed on one side, close to the pipe cutting machine body (1), of the two baffle plates (209), a collecting hopper (302) is arranged at the top of each fixing seat (301), limiting sleeves (304) are symmetrically installed above two sides of each fixing seat (301), and sliding rods (303) are connected with two sides of each fixing seat (301) and the inner portions of the two limiting sleeves (304) in a sliding mode.
4. The pipe cutting machine safety protection structure according to claim 1, wherein: arc-shaped grooves (210) are symmetrically formed in two sides of the fixed plate (201), column blocks (211) are symmetrically arranged at two sides of the bottom of the rotating plate (203), the column blocks (211) are in sliding connection with the arc-shaped grooves (210), a positioning block (212) is fixedly arranged on one side of the side baffle (209), a positioning groove (213) is formed in one side, close to the positioning block (212), of the other side baffle (209), and the positioning block (212) is connected with the positioning groove (213) in an adaptive mode.
5. The pipe cutting machine safety protection structure according to claim 2, wherein: two baffle (209) one side below fixed mounting that keeps away from mutually has fixed block (214), and the inside sliding connection of fixed block (214) has movable rod (215), and the top fixed mounting of movable rod (215) has handle (216), and the bottom fixed mounting of movable rod (215) has limiting plate (217) moreover, and the outside below cover of movable rod (215) is equipped with expansion spring (218), and the one end and the fixed block (214) fixed connection of expansion spring (218), and the other end and limiting plate (217) fixed connection of expansion spring (218) moreover.
6. A pipe cutter safety protection structure according to claim 3, wherein: two sets of sliding rod (303) are close to one end all fixed mounting have splint (306), and the one end fixed mounting that sliding rod (303) kept away from splint (306) has pull ring (307) to the outside cover of sliding rod (303) is equipped with reset spring (305), and the one end and the fixing base (301) fixed connection of reset spring (305) moreover, the other end and splint (306) fixed connection of reset spring (305).
7. A pipe cutter safety protection structure according to claim 3, wherein: two sides of the fixed seat (301) are positioned below the sliding rod (303) and are connected with a limiting rod (308) in a sliding manner, and one end of the limiting rod (308) is fixedly connected with the clamping plate (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322606582.5U CN220902684U (en) | 2023-09-25 | 2023-09-25 | Safety protection structure of pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322606582.5U CN220902684U (en) | 2023-09-25 | 2023-09-25 | Safety protection structure of pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220902684U true CN220902684U (en) | 2024-05-07 |
Family
ID=90916739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322606582.5U Active CN220902684U (en) | 2023-09-25 | 2023-09-25 | Safety protection structure of pipe cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220902684U (en) |
-
2023
- 2023-09-25 CN CN202322606582.5U patent/CN220902684U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108890499B (en) | Double-end cutting device capable of mechanically and synchronously removing scraps | |
| CN208556874U (en) | A kind of lathe protective device | |
| CN220902684U (en) | Safety protection structure of pipe cutting machine | |
| CN110774372A (en) | Rapid cutting device for furniture board machining and cutting method thereof | |
| CN208929811U (en) | A kind of electromechanical equipment protective device | |
| CN216681413U (en) | Metal cutting machine tool with safety protection mechanism | |
| CN213969203U (en) | Milling machine with protective structure | |
| CN216181734U (en) | Cutting device with limiting function for glass processing | |
| CN214817388U (en) | Sharpening device for sharpening welding electrode tips | |
| CN110509157A (en) | A kind of grinding machine that the anti-scrap with positioning device splashes | |
| CN213164100U (en) | Mechanical machine tool convenient to move | |
| CN212239572U (en) | Multi-air-pressure control inversion plasma arc cutting machine | |
| CN212945460U (en) | Horizontal lathe convenient to maintain machine tool component | |
| CN210790494U (en) | Lifting structure of alloy part polishing machine of ophthalmologic operation instrument | |
| CN210908143U (en) | Protector for lathe | |
| CN112318191A (en) | Isolation protection device for machine tool machining | |
| CN219819285U (en) | TC bearing processing shield | |
| CN212653175U (en) | Sheet metal deburring tool | |
| CN215966588U (en) | Cutting machine is used in processing of high aluminium honeycomb core of security | |
| CN110900348A (en) | Damping and polishing device for hardware articles | |
| CN221185515U (en) | Milling machine workbench | |
| CN218745152U (en) | Chair leg cutting device | |
| CN216462198U (en) | Burnishing device is used in alloy saw blade processing | |
| CN218284591U (en) | Quick cutting device is used in axle sleeve processing | |
| CN216066640U (en) | Protector that machining used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |