CN219570767U - Screw rod lubricating structure - Google Patents
Screw rod lubricating structure Download PDFInfo
- Publication number
- CN219570767U CN219570767U CN202320370107.XU CN202320370107U CN219570767U CN 219570767 U CN219570767 U CN 219570767U CN 202320370107 U CN202320370107 U CN 202320370107U CN 219570767 U CN219570767 U CN 219570767U
- Authority
- CN
- China
- Prior art keywords
- wall
- lubricating
- oil
- gear
- screw rod
- 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
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
- Transmission Devices (AREA)
Abstract
The utility model discloses a screw rod lubrication structure, which comprises: the inner wall of mounting structure runs through and installs the lubricating structure body, accomodates the structure, the inner wall of lubricating structure body runs through and installs accomodates the structure, and the moving structure is installed to the inner wall of mounting structure. According to the utility model, the screw rod can be lubricated more uniformly by the lubricating structure through the lubricating assembly, the first motor is started to drive the threaded rod to rotate, the threaded rod rotates to drive the lubricating structure body to move on the outer wall of the screw rod through the moving block and the connecting block, lubricating oil is dripped on the lubricating felt through the oil outlet, the second motor is started, the output end of the second motor drives the lubricating end to rotate through the second gear and the first gear, the slowly rotating lubricating end uniformly lubricates the screw rod through the lubricating felt meshed with the screw rod, and thus the screw rod is lubricated to be more uniformly smeared while the automatic lubrication of the lubricating structure is completed.
Description
Technical Field
The utility model relates to the technical field of screw rods, in particular to a screw rod lubricating structure.
Background
The ball screw is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, and meanwhile, the ball screw has the characteristics of high precision, reversibility and high efficiency.
The existing screw rod lubricating structure is manually lubricated when lubricating the screw rod, so that the labor capacity of workers is increased, the lubricating efficiency is low, the screw rod cannot be uniformly lubricated, and the problem that the lubricating effect is affected easily is solved.
Disclosure of Invention
The utility model aims to provide a screw rod lubricating structure, which solves the technical problems that the traditional lubricating structure provided in the background art is low in lubricating efficiency and cannot uniformly lubricate screw rods.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a lead screw lubrication structure comprising:
the inner wall of the mounting structure is provided with a lubricating structure body in a penetrating manner;
the inner wall of the lubricating structure body is provided with a storage structure in a penetrating way;
the device comprises a moving structure, wherein the moving structure is installed on the inner wall of the installing structure, a threaded rod is installed on the inner wall of the moving structure, a first motor is installed on the outer wall of the installing structure in a penetrating mode, the output end of the first motor penetrates through the inner wall of the threaded rod, a moving block is installed on the outer wall of the threaded rod in a meshed mode, a limit rod is installed on the inner wall of the moving structure, the limit rod penetrates through the inner wall of the moving block, a connecting block is installed on the top of the moving block, the top of the connecting block is connected with the bottom of a lubricating structure body, a lubricating assembly is installed on the inner wall of the lubricating structure body in a penetrating mode, a lubricating felt is installed on the inner wall of the lubricating end in a penetrating mode, a first gear is installed on the outer wall of the lubricating end in a surrounding mode, two groups of second motors are installed on the inner wall of the lubricating structure body, and the second gear is meshed with the first gear.
Preferably, the outer wall of the installation structure is provided with a screw rod in a penetrating mode, and the lubricating structure body is installed on the outer wall of the screw rod in a surrounding mode through the lubricating assembly.
Preferably, the top of lubricating structure body runs through and is equipped with the inlet port, and the oil storehouse is installed to lubricating structure body's interior roof, and oil outlet is installed in running through in the bottom of oil storehouse, and the oil outlet is installed to the bottom of oil outlet, and the inner wall of oil outlet runs through and is equipped with multiunit oil outlet, and two sets of mounting panels are installed to the bottom of oil storehouse, and electric telescopic handle is installed to the outer wall of mounting panel, and the oil shutoff board is installed to electric telescopic handle's flexible end, and the oil shutoff board runs through in the inner wall of oil outlet.
Preferably, the inner wall of the containing structure is provided with two groups of groove bodies in a penetrating mode, and the inner wall of the containing structure is provided with an oil inlet groove in a penetrating mode.
Preferably, the inner wall of the storage structure is provided with two groups of baffles in a penetrating way, and the inner wall of the storage structure is provided with two groups of plugging components.
Preferably, a rack is mounted at the bottom of the baffle.
Preferably, a third motor is installed on the inner wall of the plugging assembly, a third gear is installed at the output end of the third motor, and the third gear is meshed with the rack.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the first motor is started, the output end of the first motor drives the threaded rod to rotate, the threaded rod rotates to drive the moving block and the connecting block which are arranged in a meshed manner through the outer wall of the threaded rod to drive the lubricating structure body to move on the outer wall of the threaded rod, lubricating oil is dripped on the lubricating felt through the oil outlet, so that the lubricating felt is fully immersed with lubricating oil, the second motor is started, the output end of the second motor drives the lubricating end to rotate on the inner wall of the lubricating assembly through the second gear and the first gear meshed with the second gear, the lubricating end rotates to drive the lubricating felt to rotate, and the slowly rotating lubricating end evenly lubricates the threaded rod through the lubricating felt meshed with the threaded rod along with the movement of the lubricating structure body, so that the lubricating structure can finish automatic lubrication, the lubricating of the threaded rod can be more evenly smeared with lubricating oil, the efficiency and the effect of the lubricating structure are improved, and the limiting rod is arranged to limit the moving block;
2. according to the utility model, the storage structure is arranged to collect the lubricating oil which drops during lubrication, the lubricating oil which drops onto the lubricating felt drops downwards along with the rotation of the lubricating felt, the dropping of the lubricating oil enters the inner wall of the storage structure through the collecting groove and the oil inlet groove to be collected, so that the waste of the lubricating oil is reduced, the dropped lubricating oil can be used for a second time, when the storage structure is required to be taken out from the inner wall of the lubricating structure body, the third motor is started, the output end of the third motor drives the baffle to move through the third gear and the rack meshed with the third gear, and the baffle is driven to move along with the movement of the two groups of baffles, so that the plugging of the oil inlet groove is completed, the possibility of waste and environmental pollution caused by the dropping of the lubricating oil contained in the storage structure during the taking out can be avoided, and the storage structure can be more convenient due to the arrangement of the groove body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a mobile structure according to the present utility model;
FIG. 3 is a schematic view of a lubrication assembly according to the present utility model;
FIG. 4 is a schematic view of a lubricating structure body according to the present utility model;
FIG. 5 is a schematic view of a storage structure of the present utility model;
fig. 6 is a schematic diagram of a plugging assembly according to the present utility model.
In the figure: 1. a mounting structure; 101. a screw rod; 2. a lubrication structure body; 201. an oil inlet hole; 202. an oil bin; 203. an oil outlet pipe; 204. an oil outlet end; 205. an oil outlet hole; 206. a mounting plate; 207. an electric telescopic rod; 208. an oil blocking plate; 3. a moving structure; 301. a threaded rod; 302. a first motor; 303. a moving block; 304. a connecting block; 305. a limit rod; 4. a lubrication assembly; 401. a lubrication end; 402. a lubricating felt; 403. a first gear; 404. a second motor; 405. a second gear; 5. a storage structure; 501. a tank body; 502. an oil inlet groove; 6. a baffle; 601. a rack; 7. a plugging assembly; 701. a third motor; 702. and a third gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 3 and 4, a lead screw lubrication structure includes: the installation structure 1, the inner wall of the installation structure 1 runs through and installs the lubrication structure body 2, the storage structure 5, the inner wall of the lubrication structure body 2 runs through and installs the storage structure 5, the outer wall of the installation structure 1 runs through and installs the lead screw 101, the lubrication structure body 2 surrounds and installs the outer wall of the lead screw 101 through the lubrication component 4, the top of the lubrication structure body 2 runs through and is equipped with the inlet port 201, the oil bin 202 is installed to the inner roof of the lubrication structure body 2, the bottom of the oil bin 202 runs through and installs the oil outlet pipe 203, the bottom of the oil outlet pipe 203 is installed the oil outlet end 204, the inner wall of the oil outlet end 204 runs through and is equipped with multiunit oil outlet hole 205, the bottom of the oil bin 202 is installed with two sets of mounting plates 206, the outer wall of the mounting plates 206 is installed with the electric telescopic link 207, the telescopic end of the electric telescopic link 207 is installed with the oil blocking plate 208, and the oil blocking plate 208 penetrates through the inner wall of the oil outlet pipe 203, the lubricating structure body 2 is of a screw lubricating structure, and is mainly used for lubricating the screw rod 101, the mounting structure 1 is used for mounting and fixing the screw rod 101, the lubricating structure body 2 is used for lubricating the screw rod 101, external lubricating oil enters the oil bin 202 through the oil inlet hole 201, the oil bin 202 is used for storing lubricating oil, the electric telescopic rod 207 is started, the output end of the electric telescopic rod 207 drives the oil blocking plate 208 to move out of the inner wall of the oil outlet pipe 203, lubricating oil in the oil bin 202 can enter the oil outlet end 204 through the oil outlet pipe 203, and finally the lubricating oil is smeared on the outer wall of the screw rod 101 through the oil outlet hole 205, so that lubrication is completed, and the electric telescopic rod 207 is mounted and fixed through the mounting plate 206.
Referring to fig. 1 and 2 and 3, moving structure 3 is installed on the inner wall of mounting structure 1, threaded rod 301 is installed on the inner wall of moving structure 3, first motor 302 is installed on the outer wall of mounting structure 1, the output end of first motor 302 is installed on the inner wall of threaded rod 301, moving block 303 is installed on the outer wall of threaded rod 301 in a meshed manner, stop lever 305 is installed on the inner wall of moving structure 3, stop lever 305 is installed on the inner wall of moving block 303, connecting block 304 is installed on the top end of moving block 303, the top of connecting block 304 is connected with the bottom of lubricating structure body 2, lubricating assembly 4 is installed on the inner wall of lubricating assembly 4, lubricating felt 402 is installed on the inner wall of lubricating end 401 in a penetrating manner, first gear 403 is installed on the outer wall of lubricating end 401 in a surrounding manner, two groups of second motors 404 are installed on the inner wall of lubricating structure body 2, the output end of the second motor 404 is provided with a second gear 405, the second gear 405 is meshed with the first gear 403, the first motor 302 is started, the output end drives the threaded rod 301 to rotate, the threaded rod 301 rotates to drive the lubricating structure body 2 to move on the outer wall of the screw rod 101 through a moving block 303 and a connecting block 304 which are arranged on the outer wall of the threaded rod in a meshed mode, lubricating oil drops onto the lubricating felt 402 through an oil outlet 205 to enable the lubricating felt 402 to be fully soaked with the lubricating oil, the second motor 404 is started, the output end drives the lubricating end 401 to rotate on the inner wall of the lubricating assembly 4 through the second gear 405 and the first gear 403 meshed with the second gear 405, the lubricating end 401 rotates to drive the lubricating felt 402 to rotate, the slowly rotating lubricating end 401 evenly lubricates the screw rod 101 through the lubricating felt 402 meshed with the screw rod 101 along with the movement of the lubricating structure body 2, so when making lubricating structure can accomplish self-lubricating, make its lead screw 101 lubrication make the application of lubricating oil more even, and then improved lubricating structure's efficiency and effect, the installation of gag lever post 305 is used for spacing to movable block 303.
Referring to fig. 5 and 6, the inner wall of the storage structure 5 is penetrated and provided with two groups of groove bodies 501, the inner wall of the storage structure 5 is penetrated and provided with an oil inlet groove 502, the inner wall of the storage structure 5 is penetrated and provided with two groups of baffle plates 6, the inner wall of the storage structure 5 is provided with two groups of blocking components 7, racks 601 are installed at the bottoms of the baffle plates 6, a third motor 701 is installed on the inner wall of the blocking components 7, a third gear 702 is installed at the output end of the third motor 701, the third gear 702 is meshed with the racks 601, lubricating oil dripped onto the lubricating felt 402 drops downwards along with the rotation of the lubricating felt 402, and the lubricating oil drops enter the inner wall of the storage structure 5 through a collecting groove and an oil inlet groove 502, so that the waste of the lubricating oil is reduced, the dripped lubricating oil can be secondarily used, when the storage structure 5 is required to be taken out from the inner wall of the lubricating structure body 2, the output end of the third motor 701 is started, the baffle plates 6 are driven to move through the third gear 702 and the racks 601 meshed with the third motor, and the movement of the two groups of the baffle plates 6 is completed, and thus the storage structure can be prevented from polluting the environment when the storage structure is taken out of the storage structure 5, and the storage structure can be more convenient to be prevented from being polluted when the storage structure is arranged.
The working principle is that the lubricating structure body 2 is a screw rod lubricating structure, which is mainly used for lubricating the screw rod 101, the mounting structure 1 is used for mounting and fixing the screw rod 101, the lubricating structure body 2 is used for lubricating the screw rod 101, external lubricating oil enters the oil bin 202 through the oil inlet hole 201, the oil bin 202 is used for storing lubricating oil, the electric telescopic rod 207 is started, the output end of the electric telescopic rod 207 drives the oil blocking plate 208 to move out of the inner wall of the oil outlet pipe 203, the lubricating oil in the oil bin 202 can enter the oil outlet end 204 through the oil outlet pipe 203, finally the outer wall of the screw rod 101 is smeared through the oil outlet hole 205, thereby completing the lubrication, the electric telescopic rod 207 is mounted and fixed through the mounting plate 206, the first motor 302 is started, the output end of the electric telescopic rod is used for driving the threaded rod 301 to rotate, the threaded rod 301 rotates to drive the lubricating structure body 2 to move on the outer wall of the screw rod 101 through the moving block 303 and the connecting block 304 which are meshed and arranged on the outer wall of the screw rod 101, the lubricating oil drips onto the lubricating felt 402 through the oil outlet 205, so that the lubricating felt 402 is fully soaked with the lubricating oil, the second motor 404 is started, the output end drives the lubricating end 401 to rotate on the inner wall of the lubricating assembly 4 through the second gear 405 and the first gear 403 meshed with the second gear, the lubricating end 401 rotates to drive the lubricating felt 402 to rotate, the slowly rotating lubricating end 401 uniformly lubricates the screw rod 101 through the lubricating felt 402 meshed with the screw rod 101 along with the movement of the lubricating structure body 2, the screw rod 101 lubricates the screw rod 101 at the same time when the lubricating structure can finish automatic lubrication, the smearing of the lubricating oil can be more uniform, the efficiency and effect of the lubricating structure are improved, the installation of the limiting rod 305 is used for limiting the moving block 303, the lubricating oil dripped onto the lubricating felt 402 can drip downwards along with the gravity along with the rotation of the lubricating felt 402, the drip of lubricating oil will get into the inner wall of receiving structure 5 through collecting vat and oil feed groove 502 and collect to reduce the waste to lubricating oil, make the lubricating oil of drip can carry out the secondary and use, when needs take out the inner wall of receiving structure body 2 with receiving structure 5, the third motor 701 starts, its output drives baffle 6 through third gear 702 and rather than meshed rack 601 and removes, along with the removal of two sets of baffles 6, will accomplish the shutoff to oil feed groove 502, can avoid receiving structure 5 like this when taking out that the unrestrained and cause extravagant and the possibility that causes the pollution to the environment appear in the lubricating oil that its inside was equipped with, the setting of cell body 501 makes receiving structure 5 can be more convenient when taking.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A lead screw lubrication structure, comprising:
the mounting structure (1), the inner wall of the mounting structure (1) is provided with a lubricating structure body (2) in a penetrating way;
the inner wall of the lubricating structure body (2) is provided with the containing structure (5) in a penetrating way;
the utility model provides a movable structure (3), movable structure (3) is installed to the inner wall of mounting structure (1), threaded rod (301) is installed to the inner wall of movable structure (3), first motor (302) is installed in the outer wall run-through of mounting structure (1), the output of first motor (302) runs through in the inner wall of threaded rod (301), movable block (303) is installed in the outer wall meshing of threaded rod (301), gag lever post (305) is installed to the inner wall of movable structure (3), and gag lever post (305) run-through in the inner wall of movable block (303), connecting block (304) are installed on the top of movable block (303), the top of connecting block (304) links to each other with the bottom of lubricating structure body (2), lubricating subassembly (4) are installed in the inner wall run-through of lubricating subassembly (4), lubricating end (401) are installed in the inner wall run-through of lubricating end (401), first gear (403) are installed in the outer wall of lubricating end (401) in a surrounding mode, connecting block (304) is installed in the inner wall of lubricating structure body (2) is installed in the second gear (404) of motor (2), and the second gear (405) is meshed with the first gear (403).
2. A lead screw lubrication structure according to claim 1, wherein: the outer wall of the installation structure (1) is provided with a screw rod (101) in a penetrating mode, and the lubricating structure body (2) is installed on the outer wall of the screw rod (101) in a surrounding mode through the lubricating assembly (4).
3. A lead screw lubrication structure according to claim 1, wherein: oil inlet (201) are arranged at the top of the lubricating structure body (2) in a penetrating mode, an oil bin (202) is arranged on the inner top wall of the lubricating structure body (2), an oil outlet pipe (203) is arranged at the bottom of the oil bin (202) in a penetrating mode, an oil outlet end (204) is arranged at the bottom end of the oil outlet pipe (203), a plurality of groups of oil outlet holes (205) are arranged at the inner wall of the oil outlet end (204) in a penetrating mode, two groups of mounting plates (206) are arranged at the bottom of the oil bin (202), an electric telescopic rod (207) is arranged on the outer wall of the mounting plate (206), an oil blocking plate (208) is arranged at the telescopic end of the electric telescopic rod (207), and the oil blocking plate (208) penetrates through the inner wall of the oil outlet pipe (203).
4. A lead screw lubrication structure according to claim 1, wherein: the inner wall of the containing structure (5) is provided with two groups of groove bodies (501) in a penetrating mode, and the inner wall of the containing structure (5) is provided with an oil inlet groove (502) in a penetrating mode.
5. A lead screw lubrication structure according to claim 1, wherein: two groups of baffles (6) are installed in a penetrating mode on the inner wall of the containing structure (5), and two groups of plugging components (7) are installed on the inner wall of the containing structure (5).
6. The lead screw lubrication structure according to claim 5, wherein: a rack (601) is arranged at the bottom of the baffle plate (6).
7. The lead screw lubrication structure according to claim 5, wherein: the inner wall of the plugging assembly (7) is provided with a third motor (701), the output end of the third motor (701) is provided with a third gear (702), and the third gear (702) is meshed with the rack (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320370107.XU CN219570767U (en) | 2023-03-02 | 2023-03-02 | Screw rod lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320370107.XU CN219570767U (en) | 2023-03-02 | 2023-03-02 | Screw rod lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219570767U true CN219570767U (en) | 2023-08-22 |
Family
ID=87671486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320370107.XU Active CN219570767U (en) | 2023-03-02 | 2023-03-02 | Screw rod lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219570767U (en) |
-
2023
- 2023-03-02 CN CN202320370107.XU patent/CN219570767U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108237888A (en) | A kind of new-energy automobile driving device | |
| CN108202591B (en) | Power battery package locking mechanism | |
| CN219570767U (en) | Screw rod lubricating structure | |
| CN210949699U (en) | Bidirectional flange worm gear speed reducer | |
| CN203853224U (en) | Bolt oiling tank | |
| CN219867367U (en) | Gear box oil receiving box of wind generating set | |
| CN205195499U (en) | Gear box motor | |
| CN213743844U (en) | Oil scraping plate of sea electric wind power device | |
| CN212493488U (en) | Dewatering device of dewatering machine | |
| CN213636084U (en) | Lithium battery material divides alms bowl device | |
| CN212717824U (en) | Lubrication type gear structure for gear reducer | |
| CN218441759U (en) | Automatic oil injection device of transmission system for holder equipment | |
| CN217874110U (en) | Gear reduction box with continuous lubricating function | |
| CN215673529U (en) | Gear-driven lubricating device | |
| CN219346186U (en) | Oiling device for gear lubrication | |
| CN220668334U (en) | Lubricating device for wind motor gear box | |
| CN220320231U (en) | Screw rod structure of submerged lubrication gearbox of banister | |
| CN218913679U (en) | Self-lubricating structure for crane cart driving device | |
| CN219488058U (en) | Automobile spare and accessory part storage device | |
| CN214946128U (en) | Gearbox of counter-rotating flat double-extruder | |
| CN219774755U (en) | Heavy-load gear box | |
| CN216078222U (en) | Speed reducing motor | |
| CN214515641U (en) | Lead screw maintenance device capable of automatically spraying grease | |
| CN219383861U (en) | Automatic guide pin feeding device of aluminum electrolytic capacitor | |
| CN218935163U (en) | Sprocket chain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |