CN111730514A - Electric control clamp with anti-skidding function and using method thereof - Google Patents
Electric control clamp with anti-skidding function and using method thereof Download PDFInfo
- Publication number
- CN111730514A CN111730514A CN202010561155.8A CN202010561155A CN111730514A CN 111730514 A CN111730514 A CN 111730514A CN 202010561155 A CN202010561155 A CN 202010561155A CN 111730514 A CN111730514 A CN 111730514A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- frame
- chuck
- disc
- electric control
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of clamps, in particular to an electric control clamp with an anti-skidding function and a using method thereof The first anti-slip sheet can ensure that the second chuck and the first chuck cannot slide with the workpiece.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to an electric control clamp with an anti-skidding function and a using method thereof.
Background
In the mechanical manufacturing process, a device for fixing a machining object to a correct position for construction or inspection, also called a jig (qi a j ǜ), is called a jig, such as a welding jig, an inspection jig, an assembly jig, a machine tool jig, etc., in a broad sense, in any process for quickly, conveniently and safely mounting a workpiece, and the jig is manually operated or electrically controlled.
Most of electric control clamps in the market at present have simple structures and single functions, the chuck of a common electric control clamp does not have an anti-skid function, the chuck can only clamp one type of workpiece, such as a cylindrical workpiece or a square workpiece, and cannot meet the use requirements of workers, and the common clamp cannot adjust the position of a clamping device and is not convenient for the workers to use, so that the electric control clamp with the anti-skid function and the use method thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to provide an electric control clamp with an anti-skidding function and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatically controlled anchor clamps with antiskid function and application method, includes the base, the right-hand member fixedly connected with controller of base, the equal fixedly connected with adjusting device in both ends about the base, adjusting device's one end fixedly connected with fixed plate, the front end fixedly connected with clamping device of fixed plate, clamping device's one end fixedly connected with auxiliary stay device, clamping device includes first frame, first electric telescopic handle, second frame, second electric telescopic handle, first chuck, first antiskid sheets, second chuck, second antiskid sheets, disc and connecting rod, the front end fixedly connected with disc of fixed plate, the fixedly connected with connecting rod all around of disc, the other end fixedly connected with first frame of connecting rod.
Preferably, the one end fixedly connected with first electric telescopic handle of first frame, the one end fixedly connected with second frame of first electric telescopic handle, and the second frame with first frame sliding connection, the inboard fixedly connected with second electric telescopic handle of first frame, the other end fixedly connected with second chuck of second frame, and the second chuck is the arc type setting, the one end fixedly connected with second antiskid sheets of second chuck, the first chuck of the other end fixedly connected with of second electric telescopic handle, and the shape of first chuck is the cuboid, the first antiskid sheets of the other end fixedly connected with of first chuck.
Preferably, the first anti-slip sheet and the second anti-slip sheet are both made of asbestos fiber friction materials.
Preferably, adjusting device includes stiffener, screw thread post, a screw thread section of thick bamboo, first friction disc, bearing, second friction disc, spacing axle, reinforcing disc and connecting axle, the inboard of base is rotated and is connected with the reinforcing disc, the inboard fixedly connected with connecting axle of reinforcing disc, the other end fixedly connected with second friction disc of connecting axle.
Preferably, the one end fixedly connected with stiffener of base, the one end fixedly connected with screw thread post of stiffener, the outside screwed connection of screw thread post has a screw thread section of thick bamboo, the outside fixedly connected with bearing of a screw thread section of thick bamboo, the first friction disc of outside fixedly connected with of bearing, and the laminating of first friction disc and second friction disc.
Preferably, the auxiliary supporting device comprises a first motor, an adjusting screw, an outer barrel, a supporting plate and a limiting frame, the limiting frame is fixedly connected to the rear end of the fixing plate, the first motor is fixedly connected to the inner sides of the limiting frame and the fixing plate, the adjusting screw is fixedly connected to the tail end of a main shaft of the first motor, and the outer barrel is spirally connected to the outer side of the adjusting screw.
Preferably, the other end of the outer cylinder is fixedly connected with a support plate.
Preferably, the method comprises the following steps:
the method comprises the following steps: firstly, adjusting an adjusting device;
step two: adjusting the position of the clamping device according to the actual use condition;
step three: the auxiliary supporting device is used for supporting the clamping device, and then the workpiece is limited and fixed through the clamping device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the first electric telescopic rod, the second frame, the first chuck, the first anti-slip sheet, the second chuck, the second anti-slip sheet and the disc, a worker can select the first chuck or the second chuck according to the type of a workpiece, when a cylindrical workpiece is clamped and fixed, the second chuck can be selected to clamp and fix the cylindrical workpiece, meanwhile, the second chuck can be ensured not to slide with the cylindrical workpiece through the second anti-slip sheet, when the cylindrical workpiece is clamped and fixed, the first chuck can be selected to clamp and fix the cylindrical workpiece, meanwhile, the first chuck can be ensured not to slide with the square workpiece through the first anti-slip sheet, and the problem that only one type of workpiece can be clamped and the anti-slip function is unavailable in the prior art is solved.
2. According to the clamping device, due to the arrangement of the reinforcing rod, the threaded column, the threaded cylinder, the first friction plate, the bearing, the second friction plate, the limiting shaft, the reinforcing disc and the connecting shaft, a worker can adjust the clamping device to be horizontally used or vertically used according to actual use conditions, the use requirements of the worker are met, the problem that the traditional clamping device cannot be adjusted in position is solved, and the application range of the clamping device is increased.
3. According to the invention, through the arrangement of the first motor, the adjusting screw, the outer barrel, the supporting plate and the limiting frame, the auxiliary supporting device can support the clamping device, so that the condition that the adjusting device fails after long-time use is prevented, and the working safety of workers is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the auxiliary supporting device of the present invention;
FIG. 3 is an enlarged schematic view of the clamping device of the present invention;
FIG. 4 is a schematic view of the bottom mounting structure of the outer tub of the present invention;
FIG. 5 is a schematic view of a rear view mounting structure of the outer tub according to the present invention;
fig. 6 is a schematic perspective view of a first friction plate of the outer cylinder according to the present invention.
In the figure: 1-a base, 2-a controller, 3-a fixing plate, 4-a clamping device, 401-a first frame, 402-a first electric telescopic rod, 403-a second frame, 404-a second electric telescopic rod, 405-a first chuck, 406-a first anti-skid sheet, 407-a second chuck, 408-a second anti-skid sheet, 409-a disc, 410-a connecting rod and 5-an adjusting device, 501-a reinforcing rod, 502-a threaded column, 503-a threaded barrel, 504-a first friction plate, 505-a bearing, 506-a second friction plate, 507-a limiting shaft, 508-a reinforcing disc, 509-a connecting shaft, 6-an auxiliary supporting device, 601-a first motor, 602-an adjusting screw rod, 603-an outer barrel, 604-a supporting plate and 605-a limiting frame.
Detailed Description
Example 1:
referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides an automatically controlled anchor clamps with antiskid function and application method, including base 1, base 1's right-hand member fixedly connected with controller 2, base 1's the equal fixedly connected with adjusting device 5 in both ends about, adjusting device 5's one end fixedly connected with fixed plate 3, the front end fixedly connected with clamping device 4 of fixed plate 3, clamping device 4's one end fixedly connected with auxiliary stay device 6, clamping device 4 includes first frame 401, first electric telescopic handle 402, second frame 403, second electric telescopic handle 404, first chuck 405, first antiskid sheet 406, second chuck 407, second antiskid sheet 408, disc 409 and connecting rod 410, the front end fixedly connected with disc 409 of fixed plate 3, disc 409's fixedly connected with connecting rod 410 all around, the other end fixedly connected with first frame 401 of connecting rod 410.
One end of the first frame 401 is fixedly connected with a first electric telescopic rod 402, one end of the first electric telescopic rod 402 is fixedly connected with a second frame 403, the second frame 403 is connected with the first frame 401 in a sliding manner, the inner side of the first frame 401 is fixedly connected with a second electric telescopic rod 404, the other end of the second frame 403 is fixedly connected with a second chuck 407, the second chuck 407 is arranged in an arc manner, one end of the second chuck 407 is fixedly connected with a second anti-slip sheet 408, the other end of the second electric telescopic rod 404 is fixedly connected with a first chuck 405, the first chuck 405 is in a cuboid shape, the other end of the first chuck 405 is fixedly connected with a first anti-slip sheet 406, workpieces of different types can be clamped through the first chuck 405 and the second chuck 407, the first anti-slip sheet 406 and the second anti-slip sheet 408 are both made of fiber friction materials, and the friction force between the first anti-slip sheet 406 and the second anti-slip sheet 408 can be enhanced, the adjusting device 5 comprises a reinforcing rod 501, a threaded column 502, a threaded cylinder 503, a first friction plate 504, a bearing 505, a second friction plate 506, a limiting shaft 507, a reinforcing disc 508 and a connecting shaft 509, the inner side of the base 1 is rotatably connected with the reinforcing disc 508, the inner side of the reinforcing disc 508 is fixedly connected with the connecting shaft 509, the other end of the connecting shaft 509 is fixedly connected with the second friction plate 506, one end of the base 1 is fixedly connected with the reinforcing rod 501, one end of the reinforcing rod 501 is fixedly connected with the threaded column 502, the outer side of the threaded column 502 is spirally connected with the threaded cylinder 503, the outer side of the threaded cylinder 503 is fixedly connected with the bearing 505, the outer side of the bearing 505 is fixedly connected with the first friction plate 504, the first friction plate 504 is attached to the second friction plate 506, the friction force between the first friction plate 504 and the second friction plate 506 realizes the limiting and fixing of the connecting shaft 509, Urceolus 603, backup pad 604 and spacing frame 605, the rear end fixedly connected with spacing frame 605 of fixed plate 3, the equal fixedly connected with first motor 601 of inboard of spacing frame 605 and fixed plate 3, the terminal fixedly connected with adjusting screw 602 of main shaft of first motor 601, adjusting screw 602's outside screwed connection has urceolus 603, the other end fixedly connected with backup pad 604 of urceolus 603, the effect through backup pad 604 can prevent adjusting device 5 because the long-time frictional force that appears between first friction disc 504 and the second friction disc 506 is not enough, lead to disc 409 pivoted problem in the work piece course of working.
The method comprises the following steps:
the method comprises the following steps: firstly, adjusting the adjusting device 5;
step two: the position of the clamping device 4 is adjusted according to the actual use condition;
step three: the auxiliary supporting device 6 is used for supporting the clamping device 4, and then the workpiece is limited and fixed through the clamping device 4.
The working process is as follows: before the clamping device is used, power is supplied by an external power supply, a worker firstly adjusts the position of the clamping device 4 according to actual needs, the worker firstly rotates the threaded cylinder 503 anticlockwise through an external wrench to enable the threaded cylinder 503 to rotate on the outer side of the threaded column 502, meanwhile, the threaded cylinder 503 can drive the first friction plate 504 to move along the limiting shaft 507 in the direction away from the second friction plate 506 through the bearing 505, the first friction plate 504 does not limit the second friction plate 506, then the worker rotates the disc 409 to enable the disc 409 to drive the connecting shaft 509 and the second friction plate 506 to rotate on the inner side of the base 1 to enable the disc 409 to be in a vertical state or a horizontal state, then the worker operates according to the opposite steps to enable the first friction plate 504 to be in close contact with the second friction plate 506, and the limiting and fixing of the connecting shaft 509 are realized through the friction force between the first friction plate 504 and the second friction plate 506, meanwhile, the limiting and fixing of the disc 409 are realized through the connecting shaft 509, when the disc 409 is in a vertical state, a worker controls the first motor 601 at the lower side through the controller 2 to drive the adjusting screw 602 to rotate at the inner side of the outer cylinder 603, so that the outer cylinder 603 moves downwards along the inner side of the fixing plate 3, meanwhile, the outer cylinder 603 can also drive the supporting plate 604 at the lower side to contact with the base 1, when the disc 409 is in a horizontal state, the worker controls the first motor 601 at the inner side of the limiting frame 605 through the controller 2 to drive the adjusting screw 602 to rotate at the inner side of the outer cylinder 603, so that the outer cylinder 603 moves downwards along the inner side of the limiting frame 605, meanwhile, the outer cylinder 603 can also drive the supporting plate 604 at the lower side to contact with the base 1, and the problem that the disc 409 rotates in the process of the workpiece due to insufficient friction force between the first friction plate 504 and the second friction plate, when the cylindrical workpiece needs to be clamped and fixed, the worker places the cylindrical workpiece between the surrounding second clamping heads 407, and then the worker controls the first electric telescopic rod 402 to drive the second frame 403 to slide on the inner side of the first frame 401 through the controller 2, so that the second frame 403 drives the second clamping heads 407 and the second anti-slip sheet 408 to clamp and fix the cylindrical workpiece,
the same parts in embodiment 2 and embodiment 1 are not described again, except that when the square workpiece needs to be clamped and fixed, the worker places the square workpiece between the first clamping heads 405 around, and then the worker controls the second electric telescopic rod 404 to drive the second clamping head 405 and the first anti-slip piece 406 to clamp and fix the square workpiece through the controller 2.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (8)
1. The utility model provides an automatically controlled anchor clamps and application method with antiskid function, includes base (1), its characterized in that: the right end of the base (1) is fixedly connected with a controller (2), the left end and the right end of the base (1) are both fixedly connected with an adjusting device (5), one end of the adjusting device (5) is fixedly connected with a fixing plate (3), the front end of the fixing plate (3) is fixedly connected with a clamping device (4), one end of the clamping device (4) is fixedly connected with an auxiliary supporting device (6), the clamping device (4) comprises a first frame (401), a first electric telescopic rod (402), a second frame (403), a second electric telescopic rod (404), a first chuck (405), a first anti-skid sheet (406), a second chuck (407), a second anti-skid sheet (408), a disc (409) and a connecting rod (410), the front end of the fixing plate (3) is fixedly connected with the disc (409), and the periphery of the disc (409) is fixedly connected with the connecting rod (410), the other end of the connecting rod (410) is fixedly connected with a first frame (401).
2. The electric control clamp with the anti-slip function according to claim 1, wherein: the one end fixedly connected with first electric telescopic handle (402) of first frame (401), the one end fixedly connected with second frame (403) of first electric telescopic handle (402), and second frame (403) with first frame (401) sliding connection, inboard fixedly connected with second electric telescopic handle (404) of first frame (401), the other end fixedly connected with second chuck (407) of second frame (403), and second chuck (407) are the setting of arc type, the one end fixedly connected with second antiskid sheets (408) of second chuck (407), the first chuck (405) of the other end fixedly connected with of second electric telescopic handle (404), and the shape of first chuck (405) is the cuboid, the first antiskid sheets (406) of the other end fixedly connected with of first chuck (405).
3. The electric control clamp with the anti-slip function according to claim 2, wherein: the first anti-slip sheet (406) and the second anti-slip sheet (408) are both made of asbestos fiber friction materials.
4. The electric control clamp with the anti-slip function according to claim 1, wherein: adjusting device (5) include stiffener (501), screw thread post (502), a screw thread section of thick bamboo (503), first friction disc (504), bearing (505), second friction disc (506), spacing axle (507), reinforcing disc (508) and connecting axle (509), the inboard rotation of base (1) is connected with reinforcing disc (508), the inboard fixedly connected with connecting axle (509) of reinforcing disc (508), the other end fixedly connected with second friction disc (506) of connecting axle (509).
5. The electric control clamp with the anti-slip function according to claim 1, wherein: the one end fixedly connected with stiffener (501) of base (1), the one end fixedly connected with screw thread post (502) of stiffener (501), the outside screwed connection of screw thread post (502) has a screw thread section of thick bamboo (503), the outside fixedly connected with bearing (505) of a screw thread section of thick bamboo (503), the outside fixedly connected with first friction disc (504) of bearing (505), and first friction disc (504) and second friction disc (506) laminating.
6. The electric control clamp with the anti-slip function according to claim 1, wherein: the auxiliary supporting device (6) comprises a first motor (601), an adjusting screw rod (602), an outer barrel (603), a supporting plate (604) and a limiting frame (605), the limiting frame (605) is fixedly connected to the rear end of the fixing plate (3), the first motor (601) is fixedly connected to the inner sides of the limiting frame (605) and the fixing plate (3), the adjusting screw rod (602) is fixedly connected to the tail end of a main shaft of the first motor (601), and the outer barrel (603) is spirally connected to the outer side of the adjusting screw rod (602).
7. The electric control clamp with the anti-slip function according to claim 1, wherein: the other end of the outer cylinder (603) is fixedly connected with a supporting plate (604).
8. The use method of the electric control clamp with the anti-slip function according to claim 1, is characterized in that: the method comprises the following steps:
the method comprises the following steps: firstly, adjusting an adjusting device (5);
step two: adjusting the position of the clamping device (4) according to the actual use condition;
step two: the clamping device (4) is supported through the auxiliary supporting device (6), and then the workpiece is limited and fixed through the clamping device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561155.8A CN111730514B (en) | 2020-06-18 | 2020-06-18 | Electric control clamp with anti-skidding function and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010561155.8A CN111730514B (en) | 2020-06-18 | 2020-06-18 | Electric control clamp with anti-skidding function and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111730514A true CN111730514A (en) | 2020-10-02 |
| CN111730514B CN111730514B (en) | 2021-11-23 |
Family
ID=72649729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010561155.8A Active CN111730514B (en) | 2020-06-18 | 2020-06-18 | Electric control clamp with anti-skidding function and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730514B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189110A (en) * | 2021-12-15 | 2022-03-15 | 无锡华盛力通电驱动系统有限公司 | Motor assembly is with operation platform that has clamping structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805207C1 (en) * | 1987-04-11 | 1989-04-13 | Klaus, Geb. Siebel, Lieselotte, 5905 Freudenberg, De | |
| CN108581892A (en) * | 2018-07-05 | 2018-09-28 | 郑州赫恩电子信息技术有限公司 | A kind of electronic product machining fixture for being convenient for adjusting chucking power |
| KR101975322B1 (en) * | 2019-01-16 | 2019-05-07 | 신성전자정밀 주식회사 | Jig device for rack housing and system with the same |
| CN210060886U (en) * | 2019-05-29 | 2020-02-14 | 翔润机械部件生产(大连)有限公司 | Clamp for stepped annular product |
| CN111044765A (en) * | 2020-01-07 | 2020-04-21 | 陈春阳 | Ammeter is with watchcase fixing device |
-
2020
- 2020-06-18 CN CN202010561155.8A patent/CN111730514B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805207C1 (en) * | 1987-04-11 | 1989-04-13 | Klaus, Geb. Siebel, Lieselotte, 5905 Freudenberg, De | |
| CN108581892A (en) * | 2018-07-05 | 2018-09-28 | 郑州赫恩电子信息技术有限公司 | A kind of electronic product machining fixture for being convenient for adjusting chucking power |
| KR101975322B1 (en) * | 2019-01-16 | 2019-05-07 | 신성전자정밀 주식회사 | Jig device for rack housing and system with the same |
| CN210060886U (en) * | 2019-05-29 | 2020-02-14 | 翔润机械部件生产(大连)有限公司 | Clamp for stepped annular product |
| CN111044765A (en) * | 2020-01-07 | 2020-04-21 | 陈春阳 | Ammeter is with watchcase fixing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189110A (en) * | 2021-12-15 | 2022-03-15 | 无锡华盛力通电驱动系统有限公司 | Motor assembly is with operation platform that has clamping structure |
| CN114189110B (en) * | 2021-12-15 | 2023-12-22 | 无锡华盛力通电驱动系统有限公司 | Operation platform with clamping structure for motor assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111730514B (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207953246U (en) | A kind of portable auto parts and components frock clamp | |
| CN213224478U (en) | Work fixture | |
| CN111730514B (en) | Electric control clamp with anti-skidding function and using method thereof | |
| CN106424994A (en) | Universal clamp achieving slow wire winding | |
| CN216098497U (en) | Turnover fixture for machining automobile parts | |
| CN110962058A (en) | Overturning equipment for mattress processing and using method | |
| CN111730368B (en) | Electric control clamp with pre-positioning structure | |
| CN210756139U (en) | Rotary platform for welding | |
| CN218875396U (en) | Automobile part overturning tool | |
| CN217529293U (en) | Hole boring equipment for machining aluminum shaft sleeve | |
| CN218193330U (en) | Plate welding device | |
| CN217529084U (en) | Fastener screw thread roll-in processingequipment | |
| CN215239470U (en) | Positioning clamp for machine tool machining | |
| CN210160546U (en) | Angle-adjustable electric spark machining fixture | |
| CN210388102U (en) | But multi-angle adjustment's anchor clamps for welding | |
| CN113458697A (en) | Centering clamping structure of suspension arm welding clamp | |
| CN206811373U (en) | The angular gusset clamping mechanism of semi-automatic aluminum alloy pattern plate welder | |
| CN217254124U (en) | Auxiliary assembly convenient to hydraulic cylinder seam | |
| CN215318339U (en) | Sensor processing fixing device | |
| CN220127427U (en) | Nut positioning assembly of nut riveting and punching machine for restoring nuts | |
| CN219310494U (en) | Welding tool for lead screw of metal scaffold | |
| CN212762303U (en) | Pneumatic clamp capable of automatically clamping | |
| CN216138504U (en) | Clamp of machine tool | |
| CN221290117U (en) | Continuous material-increasing surfacing support for shaft workpieces | |
| CN220162223U (en) | Automobile control arm clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |