CN221362829U - Positioning device of portable vertical drilling machine - Google Patents
Positioning device of portable vertical drilling machine Download PDFInfo
- Publication number
- CN221362829U CN221362829U CN202323539904.5U CN202323539904U CN221362829U CN 221362829 U CN221362829 U CN 221362829U CN 202323539904 U CN202323539904 U CN 202323539904U CN 221362829 U CN221362829 U CN 221362829U
- Authority
- CN
- China
- Prior art keywords
- fixedly arranged
- block
- positioning
- drilling machine
- upper plate
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 abstract description 2
- 239000010432 diamond Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 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
- Drilling And Boring (AREA)
Abstract
The utility model relates to the technical field of positioning devices, and discloses a positioning device of a portable vertical drilling machine. This portable vertical drilling machine's positioner places the work piece at the top of placing the board, the rotating turret, and make threaded rod one rotate, make the sliding pressure board descend, push down the surface of work piece, make it can not warp when the location, drive electric putter, the ejector pad slides to the left side this moment, and move with the work piece, and drive the work piece and remove, the stability of location has been guaranteed at the outside gliding ejector pad of sliding lever, when the second promotion work piece of locating clip wheel and locating clip wheel one contact, the work piece is fixed a position tightly this moment, move the sliding pressure board this moment can, need not to dismantle the mode and make the operation more convenient, locating clip wheel one makes arc or diamond work piece also can be fixed a position tightly with setting up of locating clip wheel two, the convenience of positioner operation has been improved.
Description
Technical Field
The utility model relates to the technical field of positioning devices, in particular to a positioning device of a portable vertical drilling machine.
Background
The vertical drilling machine is also called a vertical drilling machine, and is a drilling machine with a main shaft vertically arranged and a fixed center position. Vertical drilling machines are generally used for machining or repairing holes in small and processed workpieces in factories, and before machining begins, the positions of the workpieces on a workbench need to be determined, so that the center line of the machined holes can be aligned with an axis, and therefore a positioning device needs to be used.
The utility model discloses a portable vertical drilling machine positioning device (CN 213828020U) according to the description in the patent net, which comprises positioning sliding blocks and a fixed base, wherein the four positioning sliding blocks are in sliding connection with two fixed screws, the outer wall of each fixed screw is provided with a spring bracket and a fixed nut, the fixed nut is positioned on the outer surface of the lower end of the spring bracket, a plurality of vertical fixed grooves are formed in the outer surface of the front end of the fixed base, fixed screws are arranged between the spring bracket and the vertical fixed grooves, and the rear end of each spring bracket is detachably connected with the fixed base through the fixed screws. According to the portable positioning device of the vertical drilling machine, provided by the utility model, through the arranged positioning sliding blocks, the convenience and trouble are saved, the multifunctional positioning is realized, the labor is effectively saved, and through the arranged spring support, the workpiece is effectively positioned more firmly, the workpiece machining error is indirectly reduced, and the better use prospect is brought.
With respect to the above description, the applicant believes that the following problems exist:
in the use process, the positioning slide block is adjusted, so that the positioning slide block can fix both diamond-shaped workpieces and arc-shaped workpieces, and the convenient and trouble-saving positioning effect is achieved, but in the practical use process, the positioning device can position workpieces with different shapes only by disassembling the positioning slide block and positioning the workpieces from a new combination, and when the positioning slide block is required to fix the workpieces with different shapes, the positioning device can position the workpieces with different shapes in a new round, has complex operation and inconvenient positioning process, and therefore, the positioning device of the portable vertical drilling machine needs to be changed to solve the problems.
Disclosure of utility model
The utility model aims to provide a positioning device of a portable vertical drilling machine, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioner of portable vertical drilling machine, includes the upper plate, the top fixed mounting of upper plate has convenient positioning mechanism, the bottom fixed mounting of upper plate has displacement mechanism.
The convenient positioning mechanism comprises an auxiliary positioning assembly and a clamping positioning assembly, and the clamping positioning assembly is arranged on the right side of the auxiliary positioning assembly.
Preferably, the auxiliary positioning assembly comprises a placing plate, the placing plate is fixedly arranged at the top of an upper plate, a vertical block is fixedly arranged at the top of the upper plate, a first rotating shaft is arranged in the vertical block in a rotating mode, a first positioning clamping wheel is fixedly arranged at the top of the first rotating shaft, a rotating frame is arranged in the rotating mode at the top of the upper plate, a first threaded rod is arranged in the rotating frame in a rotating mode, a sliding pressing plate is arranged on an external thread of the first threaded rod, a limiting rod is arranged in the sliding pressing plate in a sliding mode, and auxiliary positioning of a workpiece on the drilling machine is facilitated through the auxiliary positioning assembly in an auxiliary mode.
Preferably, the left side of the sliding pressing plate is slidably mounted on the left side inner side of the rotating frame, the top of the limiting rod is fixedly mounted on the top inner side of the rotating frame, and the bottom of the limiting rod is fixedly mounted on the bottom inner side of the rotating frame, so that the sliding pressing plate can press the top of a workpiece in a normal state.
Preferably, the clamping and positioning assembly comprises a first limiting groove block, the first limiting groove block is fixedly arranged at the top of the upper plate, a first limiting bar is arranged in the first limiting groove block in a sliding mode, a double-lug block is fixedly arranged at the top of the first limiting bar, a sliding rod is fixedly arranged in the double-lug block, a second limiting groove block is fixedly arranged at the inner side of the bottom of the double-lug block, a second limiting bar is arranged in the second limiting groove block in a sliding mode, a pushing block is fixedly arranged at the top of the second limiting bar, a second rotating shaft is arranged in the pushing block in a rotating mode, a second positioning clamping wheel is fixedly arranged at the bottom of the second rotating shaft, and an electric push rod is fixedly arranged at the top of the upper plate and is convenient to clamp and position workpieces through the clamping and positioning assembly.
Preferably, the hole is offered to the corresponding position department of ejector pad and slide bar, just slide bar slidable mounting is inside the hole of the inside seting up of ejector pad, the left side of electric putter's output and the top fixed mounting of ears piece have improved stability.
Preferably, the displacement mechanism comprises a connecting thread groove block, the connecting thread groove block is fixedly arranged at the bottom of the upper plate, a second threaded rod is arranged at the inner thread of the connecting thread groove block, a rotating seat is arranged at the outer rotation of the second threaded rod, a mounting bottom plate is fixedly arranged at the bottom of the rotating seat, a driving roller is fixedly arranged on the right side of the second threaded rod, a driving belt is arranged at the outer transmission of the driving roller, and a motor is fixedly arranged on the right side of the mounting bottom plate so as to conveniently adjust the position of the convenient positioning mechanism through the displacement mechanism.
Preferably, the driving rollers are arranged in two, and the right side of the driving rollers and the left side of the transmission shaft of the motor are fixedly arranged, so that the driving rollers can conveniently drive the threaded rod II to rotate.
Compared with the prior art, the utility model provides a positioning device of a portable vertical drilling machine, which has the following beneficial effects:
1. This portable vertical drilling machine's positioner, through the convenient positioning mechanism who sets up, in the use, place the work piece at the top of placing the board, the rotating turret, and make first rotation of threaded rod, make the slip clamp plate descend, push down the surface of work piece, make it can not warp when the location, drive electric putter, the ejector pad slides to the left side this moment, contact with the work piece, and drive the work piece and remove, positioning stability has been guaranteed at the outside gliding ejector pad of slide bar, when the second promotion work piece of locating clamp wheel and the contact of locating clamp wheel, the work piece is fixed a position tightly this moment, move the slip clamp plate this moment can, the mode that need not to dismantle makes the operation more convenient, the setting up of locating clamp wheel one and locating clamp wheel two makes arc or diamond work piece also can be fixed a position tightly, the convenience of positioner operation has been improved.
2. This portable vertical drilling machine's positioner, through the displacement mechanism who sets up, in the use, install the mounting plate through the hole that the outside set up after, can fix a position the use, when the position of the work piece after need adjusting the location, driving motor makes the output of motor drive the driving roller and rotates, under the transmission of drive belt, threaded rod two rotates, and the connection thread groove piece drives the upper plate and removes, can adjust the position of work piece, has realized carrying out the function of position control when removing the work piece.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:
FIG. 1 is a schematic view of the appearance structure of the present utility model;
FIG. 2 is a schematic view of the external appearance of the positioning mechanism;
FIG. 3 is a schematic view of the external appearance of the auxiliary positioning assembly according to the present utility model;
FIG. 4 is a schematic view of the external appearance of the clamping and positioning assembly according to the present utility model;
FIG. 5 is a schematic view of the displacement mechanism of the present utility model.
In the figure: 1. an upper plate; 2. a convenient positioning mechanism; 21. an auxiliary positioning assembly; 211. placing a plate; 212. a vertical block; 213. a first rotating shaft; 214. positioning a first clamping wheel; 215. a rotating frame; 216. a first threaded rod; 217. a sliding pressure plate; 218. a limit rod; 22. clamping and positioning components; 221. a first limit groove block; 222. a first limit bar; 223. a binaural block; 224. a slide bar; 225. a limiting groove block II; 226. a second limit bar; 227. a pushing block; 228. a second rotating shaft; 229. positioning a second clamping wheel; 2210. an electric push rod; 3. a displacement mechanism; 31. connecting the thread groove blocks; 32. a second threaded rod; 33. a rotating seat; 34. a mounting base plate; 35. a driving roller; 36. a transmission belt; 37. and a motor.
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 present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Embodiment one:
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a portable vertical drilling machine's positioner, includes upper plate 1, and the top fixed mounting of upper plate 1 has convenient positioning mechanism 2, and the bottom fixed mounting of upper plate 1 has displacement mechanism 3.
The convenient positioning mechanism 2 comprises an auxiliary positioning component 21 and a clamping positioning component 22, wherein the clamping positioning component 22 is arranged on the right side of the auxiliary positioning component 21.
Further, the auxiliary positioning assembly 21 comprises a placing plate 211, the placing plate 211 is fixedly arranged at the top of the upper plate 1, a vertical block 212 is fixedly arranged at the top of the upper plate 1, a first rotating shaft 213 is rotatably arranged in the vertical block 212, a first positioning clamping wheel 214 is fixedly arranged at the top of the first rotating shaft 213, a rotating frame 215 is rotatably arranged at the top of the upper plate 1, a first threaded rod 216 is rotatably arranged in the rotating frame 215, a sliding pressing plate 217 is arranged on the outer thread of the first threaded rod 216, a limiting rod 218 is slidably arranged in the sliding pressing plate 217, and auxiliary positioning of a workpiece on the drilling machine is facilitated through the auxiliary positioning assembly 21.
Further, the left side of the sliding pressing plate 217 is slidably mounted on the left side inner side of the rotating frame 215, the top of the limiting rod 218 is fixedly mounted on the top inner side of the rotating frame 215, and the bottom of the limiting rod 218 is fixedly mounted on the bottom inner side of the rotating frame 215, so that the sliding pressing plate 217 can press the top of the workpiece in a normal state.
Further, the clamping and positioning assembly 22 comprises a first limiting groove block 221, the first limiting groove block 221 is fixedly arranged at the top of the upper plate 1, a first limiting bar 222 is slidably arranged in the first limiting groove block 221, a double-lug block 223 is fixedly arranged at the top of the first limiting bar 222, a sliding rod 224 is fixedly arranged in the double-lug block 223, a second limiting groove block 225 is fixedly arranged at the inner side of the bottom of the double-lug block 223, a second limiting bar 226 is slidably arranged in the second limiting groove block 225, a pushing block 227 is fixedly arranged at the top of the second limiting bar 226, a second rotating shaft 228 is rotatably arranged in the pushing block 227, a second positioning clamping wheel 229 is fixedly arranged at the bottom of the second rotating shaft 228, and an electric push rod 2210 is fixedly arranged at the top of the upper plate 1 so as to facilitate workpiece clamping and positioning through the clamping and positioning assembly 22.
Further, holes are formed in the corresponding positions of the push block 227 and the sliding rod 224, the sliding rod 224 is slidably mounted in the holes formed in the push block 227, and the left side of the output end of the electric push rod 2210 is fixedly mounted on the top of the double-lug block 223, so that stability is improved.
Embodiment two:
Referring to fig. 5, and further obtaining in combination with the first embodiment, the displacement mechanism 3 includes a connection thread groove block 31, the connection thread groove block 31 is fixedly installed at the bottom of the upper plate 1, a second threaded rod 32 is installed in the internal thread of the connection thread groove block 31, a rotating seat 33 is installed in the external rotation of the second threaded rod 32, a mounting base plate 34 is fixedly installed at the bottom of the rotating seat 33, a driving roller 35 is fixedly installed on the right side of the second threaded rod 32, a driving belt 36 is installed in the external transmission of the driving roller 35, and a motor 37 is fixedly installed on the right side of the mounting base plate 34, so that the position of the convenient positioning mechanism 2 can be conveniently adjusted through the displacement mechanism 3.
Further, two driving rollers 35 are provided, and the right side of the front driving roller 35 and the left side of the driving shaft of the motor 37 are fixedly installed, so that the second threaded rod 32 is conveniently driven to rotate by the driving rollers 35.
In the actual operation process, when the device is used, after the mounting bottom plate 34 is mounted through the hole arranged on the outer side, positioning can be performed, a workpiece is placed on the top of the placing plate 211, the rotating frame 215 is rotated, the first threaded rod 216 is rotated, the sliding pressing plate 217 is lowered, the surface of the workpiece is pressed, the workpiece is prevented from being tilted up during positioning, the electric push rod 2210 is driven, the push block 227 slides leftwards and is contacted with the workpiece and drives the workpiece to move, positioning stability is guaranteed by the push block 227 sliding outside the sliding rod 224, when the second positioning clamping wheel 229 pushes the workpiece to be contacted with the first positioning clamping wheel 214, the workpiece is positioned and clamped at the moment, the sliding pressing plate 217 is moved away, the dismounting mode is not needed, the operation is more convenient, the first positioning clamping wheel 214 and the second positioning clamping wheel 229 are arranged to enable the arc-shaped or diamond-shaped workpiece to be positioned and clamped, the convenience of the operation of the positioning device is improved, when the position of the positioned workpiece is required to be adjusted, the motor 37 is driven, the output end of the motor 37 is driven to rotate the roller 35, and the second threaded rod 37 is driven to rotate under the transmission of the transmission belt 36, and the second threaded rod 32 is connected with the threaded rod 31 to drive the upper plate 31 to move, and the threaded position of the workpiece can be adjusted.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The utility model provides a portable vertical drilling machine's positioner, includes upper plate (1), its characterized in that: a convenient positioning mechanism (2) is fixedly arranged at the top of the upper plate (1), and a displacement mechanism (3) is fixedly arranged at the bottom of the upper plate (1);
The convenient positioning mechanism (2) comprises an auxiliary positioning assembly (21) and a clamping positioning assembly (22), and the clamping positioning assembly (22) is arranged on the right side of the auxiliary positioning assembly (21).
2. The positioning device of the portable vertical drilling machine according to claim 1, wherein: the auxiliary positioning assembly (21) comprises a placing plate (211), the placing plate (211) is fixedly arranged at the top of an upper plate (1), a vertical block (212) is fixedly arranged at the top of the upper plate (1), a rotating shaft I (213) is arranged in the vertical block (212) in a rotating mode, a positioning clamping wheel I (214) is fixedly arranged at the top of the rotating shaft I (213), a rotating frame (215) is arranged at the top of the upper plate (1) in a rotating mode, a threaded rod I (216) is arranged in the rotating frame (215) in a rotating mode, a sliding pressing plate (217) is arranged on the external threads of the threaded rod I (216), and a limiting rod (218) is arranged in the sliding pressing plate (217) in a sliding mode.
3. The positioning device of the portable vertical drilling machine according to claim 2, wherein: the left side of the sliding pressing plate (217) is slidably mounted on the left inner side of the rotating frame (215), the top of the limiting rod (218) is fixedly mounted on the inner side of the top of the rotating frame (215), and the bottom of the limiting rod (218) is fixedly mounted on the inner side of the bottom of the rotating frame (215).
4. The positioning device of the portable vertical drilling machine according to claim 1, wherein: the clamping and positioning assembly (22) comprises a first limiting groove block (221), the first limiting groove block (221) is fixedly arranged at the top of the upper plate (1), a first limiting groove block (222) is slidably arranged in the first limiting groove block (221), a double-lug block (223) is fixedly arranged at the top of the first limiting groove block (222), a sliding rod (224) is fixedly arranged in the double-lug block (223), a second limiting groove block (225) is fixedly arranged at the inner side of the bottom of the double-lug block (223), a second limiting groove block (226) is slidably arranged in the second limiting groove block (225), a pushing block (227) is fixedly arranged at the top of the second limiting groove block (226), a second rotating shaft (228) is rotatably arranged in the pushing block (227), a second positioning clamping wheel (229) is fixedly arranged at the bottom of the second rotating shaft (228), and an electric push rod (2210) is fixedly arranged at the top of the upper plate (1).
5. The positioning device of the portable vertical drilling machine according to claim 4, wherein: holes are formed in the positions, corresponding to the positions of the push block (227) and the sliding rod (224), of the sliding rod (224), the sliding rod (224) is slidably mounted in the holes formed in the push block (227), and the left side of the output end of the electric push rod (2210) is fixedly mounted on the top of the double-lug block (223).
6. The positioning device of the portable vertical drilling machine according to claim 1, wherein: the displacement mechanism (3) comprises a connecting thread groove block (31), the connecting thread groove block (31) is fixedly arranged at the bottom of the upper plate (1), a threaded rod II (32) is arranged on the internal thread of the connecting thread groove block (31), a rotating seat (33) is arranged on the external rotation of the threaded rod II (32), a mounting base plate (34) is fixedly arranged at the bottom of the rotating seat (33), a driving roller (35) is fixedly arranged on the right side of the threaded rod II (32), a driving belt (36) is arranged on the external transmission of the driving roller (35), and a motor (37) is fixedly arranged on the right side of the mounting base plate (34).
7. The positioning device of the portable vertical drilling machine according to claim 6, wherein: the two driving rollers (35) are arranged, and the right side of the driving rollers (35) on the front face is fixedly arranged on the left side of a transmission shaft of the motor (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323539904.5U CN221362829U (en) | 2023-12-25 | 2023-12-25 | Positioning device of portable vertical drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323539904.5U CN221362829U (en) | 2023-12-25 | 2023-12-25 | Positioning device of portable vertical drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221362829U true CN221362829U (en) | 2024-07-19 |
Family
ID=91862778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323539904.5U Active CN221362829U (en) | 2023-12-25 | 2023-12-25 | Positioning device of portable vertical drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221362829U (en) |
-
2023
- 2023-12-25 CN CN202323539904.5U patent/CN221362829U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110640182A (en) | Clamping mechanism for drilling circular seat plate of circular seat | |
| CN221362829U (en) | Positioning device of portable vertical drilling machine | |
| CN214134042U (en) | Drilling equipment for machining hardware | |
| CN219004755U (en) | Cutting equipment is used in three-way pipe processing | |
| CN215587898U (en) | Drilling equipment is used in production of high accuracy part | |
| CN212238696U (en) | Automatic bending tool for hardware machining | |
| CN210412900U (en) | Fixing device for metal gear production and manufacturing | |
| CN221363845U (en) | Mounting fixture that metal part processing drilling machine was used | |
| CN220863727U (en) | Homemade bench clamp | |
| CN219819234U (en) | Grinding machine convenient to adjust | |
| CN221516921U (en) | Novel workpiece quick positioning and compressing device | |
| CN221658814U (en) | Polishing equipment capable of clamping special-shaped mechanical parts | |
| CN218461039U (en) | Grooving machine with adjustable fire control pipe fitting production is used | |
| CN219853329U (en) | Combined clamp for machine tool | |
| CN220782743U (en) | Fixing device for spot welding of aluminum alloy workpiece | |
| CN220347842U (en) | Clamping device for machine tool machining | |
| CN220178720U (en) | Positioning fixture for machining | |
| CN214162152U (en) | Positioning device for drilling eccentric pin | |
| CN216858953U (en) | Vertical machining center anchor clamps that flexibility is high | |
| CN218284645U (en) | Drilling equipment for roller machining | |
| CN216858948U (en) | Oblique guide pillar hole processing tool | |
| CN221454349U (en) | Numerical control lathe for machining superfine shaft | |
| CN221248376U (en) | Flat grinding and polishing clamp for mobile phone glass cover plate | |
| CN220177953U (en) | Metal piece punching device | |
| CN221538111U (en) | Turning feeding mechanism for steel structural part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |