CN107876893A - A kind of dust-proof cutter device of intermetallic composite coating multi-angle - Google Patents
A kind of dust-proof cutter device of intermetallic composite coating multi-angle Download PDFInfo
- Publication number
- CN107876893A CN107876893A CN201711211597.4A CN201711211597A CN107876893A CN 107876893 A CN107876893 A CN 107876893A CN 201711211597 A CN201711211597 A CN 201711211597A CN 107876893 A CN107876893 A CN 107876893A
- Authority
- CN
- China
- Prior art keywords
- cutting
- dust
- cutter device
- composite coating
- disk
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
Abstract
The invention discloses a kind of dust-proof cutter device of intermetallic composite coating multi-angle, including workbench, support and cutting disc, the workbench is internally provided with disk, and cutting bed is welded with above disk, the centre of the cutting bed is provided with grooving, and screw rod is mounted at left and right sides of grooving, pressing plate is provided with above the screw rod, and the surface of pressing plate is fixed with matte board, turning handle is installed above the pressing plate, connecting rod is provided with the inside of the support, and support is located at the top of cutting bed, adjustment disk is installed on the inside of the connecting rod, and bull stick is provided with the inside of adjustment disk, dust cap is installed above the cutting disc, and cutting disc is between bull stick, pole is provided with left and right sides of the connecting rod, and contiguous block is welded with above pole.The intermetallic composite coating can carry out multi-angle cutting with the dust-proof cutter device of multi-angle, and cutting bed can rotate freely, and cutting force degree is more average, and cutter life is longer.
Description
Technical field
The present invention relates to metal-cutting device technical field, specially a kind of dust-proof cutting dress of intermetallic composite coating multi-angle
Put.
Background technology
Modern mechanical processing industry improves constantly to the quality of Metal Cutting, required precision, to improving production efficiency, reducing and give birth to
Production cost, the requirement of surface trimming function with high-intelligentization are also being lifted, and the development of metal cutter has to adapt to existing
For the requirement of mechanical industry development, the plant equipment often to be used in intermetallic composite coating is exactly cutting machine.It is but existing
The cutting angle of intermetallic composite coating cutting machine can not be adjusted flexibly, the intermetallic composite coatings of some particular/special requirements, it is necessary to section
It is the requirement for having certain gradient, but existing cutting machine is mainly to use cutting mode straight up and down, it is such to cut
The requirement of section gradient can not be reached first by cutting means, secondly can cause major injury, cutting bed to the cutting edge of cutting tool
Using being fixedly connected between workbench, cutting bed can not be rotated freely, and the company of operation is easily influenceed in actual processing
Continuous property, therefore, it is proposed that a kind of can the cutter device that can rotate freely of multi-angle cutting and cutting bed.
The content of the invention
It is an object of the invention to provide a kind of dust-proof cutter device of intermetallic composite coating multi-angle, to solve above-mentioned background skill
The existing cutting machine proposed in art is mainly that can not be reached first using cutting mode straight up and down, such cutting means
The requirement of section gradient, major injury secondly can be caused to the cutting edge of cutting tool, cutting bed can not be rotated freely,
The successional problem of operation is easily influenceed in actual processing.
To achieve the above object, the present invention provides following technical scheme:A kind of dust-proof cutting dress of intermetallic composite coating multi-angle
Put, including workbench, support and cutting disc, the workbench is internally provided with disk, and cutting is welded with above disk
Platform, the centre of the cutting bed is provided with grooving, and screw rod is mounted at left and right sides of grooving, and the top of the screw rod is set
There is pressing plate, and the surface of pressing plate is fixed with matte board, and turning handle is provided with above the pressing plate, is provided with the inside of the support
Connecting rod, and support is located at the top of cutting bed, adjustment disk is provided with the inside of the connecting rod, and the inner side of adjustment disk is set
There is bull stick, dust cap is installed above the cutting disc, and cutting disc is between bull stick, the left and right sides of the connecting rod
Pole is provided with, and contiguous block is welded with above pole, is provided with lifting arm above the dust cap, and lifting arm
Top is provided with drive, and belt is provided with left and right sides of the drive, driving wheel is provided with below the belt,
And motor is provided with the right side of driving wheel.
Preferably, surface fits between the workbench and disk, and is parallel to each other between workbench and cutting bed.
Preferably, the horizontal center line between the matte board on pressing plate is symmetrical, and the side of pressing plate is stepped.
Preferably, the cutting disc is rotatablely connected by bull stick and adjustment disk, and the axis between bull stick on adjustment disk
Line is annularly uniformly distributed.
Preferably, the cutting disc includes power transmission shaft, clasp, bite and small opening, and the outer sheath of power transmission shaft is provided with clasp,
Bite is installed, the surface of bite is provided with small opening on the outside of clasp.
Preferably, the overlap-like outside for being evenly distributed on clasp between the bite, and radian phase between bite
Deng.
Preferably, the both ends of the connecting rod are ball head structure, and size matches between connecting rod and pole.
Preferably, the vertical centerline between the pole on cutting disc is symmetrical, and the vertical direction of pole and support
It is parallel.
Compared with prior art, the beneficial effects of the invention are as follows:The dust-proof cutter device of intermetallic composite coating multi-angle can enter
Row multi-angle is cut, and cutting bed can rotate freely, and cutting force degree is more average, and cutter life is longer, wherein cutting bed
It can be rotated, whole cutter device is carried out the angular adjustment on circumferencial direction, facilitate worker's feeding discharging, be ensured
The continuity of operation, pressing plate are used for clamping and fix metal material, and matte board is contacted with metal material surface, and metal material is carried out
It is fixed, avoid metal material from being shifted over phenomenon in cutting, influence the normal cutting of metal material, the drift angle of cutting disc can be with
It is adjusted, the cutting process of whole cutter device is not merely confined to mode straight up and down, can complete chamfer cross-section
Processing, follow-up secondary operation is avoided to bring production to bother, bull stick provides stable support for cutting disc, and cutting disc is combined type knot
Structure, cutting force is relatively large during cutting, and bite completes Metal Cutting operation, and bite is uniformly divided Metal Cutting power
Dissipate, metal is ensured the efficient progress of cutting, the ball head structure of connecting rod ensure that company by more balanced cutting force
Extension bar can carry out flexible rotating with pole, coordinate the yaw motion of cutting disc, complete corresponding adjustment, and pole carries for connecting rod
Supported for stable, ensure that cutter device can flexibly enter horizontal deflection at work, cut with obtaining a more suitable labour-saving
Angle, bite is protected.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is pressure plate structure schematic diagram of the present invention;
Fig. 3 is cutting disc structural representation of the present invention.
In figure:1st, workbench, 2, disk, 3, cutting bed, 4, grooving, 5, screw rod, 6, pressing plate, 7, matte board, 8, turning handle, 9,
Support, 10, connecting rod, 11, adjustment disk, 12, bull stick, 13, cutting disc, 1301, power transmission shaft, 1302, clasp, 1303, bite,
1304th, small opening, 14, dust cap, 15, pole, 16, contiguous block, 17, lifting arm, 18, drive, 19, belt, 20, driving wheel,
21st, motor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme:A kind of dust-proof cutter device of intermetallic composite coating multi-angle,
Including workbench 1, support 9 and cutting disc 13, workbench 1 is internally provided with disk 2, and the top of disk 2 is welded with cutting
Platform 3, surface fits between workbench 1 and disk 2, and is parallel to each other between workbench 1 and cutting bed 3, and cutting bed 3 can enter
Row rotation, enables whole cutter device to carry out the angular adjustment on circumferencial direction, facilitates worker's feeding discharging, ensures operation
Continuity, the centre of cutting bed 3 is provided with grooving 4, and the left and right sides of grooving 4 is mounted on screw rod 5, and the top of screw rod 5 is set
It is equipped with pressing plate 6, and the surface of pressing plate 6 is fixed with matte board 7, the horizontal center line between matte board 7 on pressing plate 6 is symmetrical, and
The side of pressing plate 6 is stepped, and pressing plate 6 is used for clamping and fixes metal material, and matte board 7 contacts with metal material surface, to gold
Category material is fixed, and avoids metal material from being shifted over phenomenon in cutting, influences the normal cutting of metal material, pressing plate 6
Top turning handle 8 is installed, the inner side of support 9 is provided with connecting rod 10, and support 9 is located at the top of cutting bed 3, connecting rod 10
Inner side adjustment disk 11 is installed, and the inner side of adjustment disk 11 is provided with bull stick 12, and the top of cutting disc 13 is provided with dust cap
14, and cutting disc 13, between bull stick 12, cutting disc 13 is rotatablely connected by bull stick 12 and adjustment disk 11, and between bull stick 12
Axis on adjustment disk 11 is annularly uniformly distributed, and the drift angle of cutting disc 13 can be adjusted, whole cutter device
Cutting process is not merely confined to mode straight up and down, can complete the processing of chamfer cross-section, avoids follow-up secondary operation band
To produce trouble, bull stick 12 is that cutting disc 13 provides stable support, and cutting disc 13 includes power transmission shaft 1301, clasp 1302, cutting
Knife 1303 and small opening 1304, the outer sheath of power transmission shaft 1301 are provided with clasp 1302, and the outside of clasp 1302 is provided with bite
1303, the surface of bite 1303 is provided with small opening 1304, and cutting disc 13 is composite structure, and cutting force is relatively during cutting
Greatly, the overlap-like outside for being evenly distributed on clasp 1302 between bite 1303, and radian is equal between bite 1303, cuts
Sharpener 1303 completes Metal Cutting operation, and bite 1303 is dispersed by the progress of Metal Cutting power, makes metal by more
Balanced cutting force, ensure the efficient progress of cutting, the left and right sides of connecting rod 10 is provided with pole 15, and pole 15
Top be welded with contiguous block 16, the both ends of connecting rod 10 are ball head structure, and size phase between connecting rod 10 and pole 15
It coincide, the ball head structure of connecting rod 10 ensure that connecting rod 10 can carry out flexible rotating with pole 15, coordinate cutting disc 13
Yaw motion, complete to adjust accordingly, the vertical centerline between pole 15 on cutting disc 13 is symmetrical, and pole 15 and support
9 vertical direction is parallel, and pole 15 is that connecting rod 10 provides stable support, ensures that cutter device can flexibly enter at work
Horizontal deflection, to obtain a more suitable labour-saving cut-in angle, bite 1303 is protected, the top of dust cap 14 is set
Lifting arm 17 is equipped with, and the top of lifting arm 17 is provided with drive 18, the left and right sides of drive 18 is provided with belt 19,
The lower section of belt 19 is provided with driving wheel 20, and the right side of driving wheel 20 is provided with motor 21.
Operation principle:Cutter device is suitably positioned first for this kind of cutter device, cutting bed 3 passes through circle
Disk 2 can rotate with workbench 1, facilitate worker's feeding discharging, ensure the continuity of operation, metal material is kept flat and cut
In the ceding of Taiwan 3, turning handle 8 is rotated by screw rod 5, pressing plate 6 is moved down, metal material is compressed, while metal material surface and frosted
Plate 7 is contacted, and metal material is fixed, and avoids metal material bias effect processing effect in position in cutting processing, motor 21
Start, drive driving wheel 20 to rotate, driving wheel 20 drives drive 18 to rotate by belt 19, and drive 18 is further through belt 19
Drive adjustment disk 11 to rotate, enable the normal rotation of cutting disc 13, lifting arm 17 controls the height of cutting disc 13, completes to cut through
Descending operation in journey, some special cutting processings are had in production, needed than section as requested certain oblique
Degree, for such cutting processing, pole 15 pulls connecting rod 10 to be lifted up, and is acted in the ball head structure of connecting rod 10 itself
Under, connecting rod 10 draws adjustment disk 11 and angular deflection, while the bull stick 12 connected between adjustment disk 11 and cutting disc 13 occurs
Act, the deflection angle of cutting disc 13 is controlled, make the deflection of cutting disc 13 have certain change in process, avoid cutting
To cut disk 13 to deflect suddenly, make bite 1303 impaired, in cutting process, bite 1303 carries out high-speed cutting to metal material,
Chip is discharged by small opening 1304, and clasp 1302 compresses to bite 1303, makes the directly driven axle of bite 1303
1301 drive runs at high speed, and avoids bite 1303 from dallying or stall, and the overlapping distribution of bite 1303, makes metal material institute
The cutting force relative equilibrium received, the high efficiency of cutting process is ensure that, dust cap 14 plays dustproof effect, while can be to cutting
In caused chip stopped, complete the use process of whole cutter device like this.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of dust-proof cutter device of intermetallic composite coating multi-angle, including workbench(1), support(9)And cutting disc(13), it is special
Sign is:The workbench(1)Be internally provided with disk(2), and disk(2)Top be welded with cutting bed(3), it is described to cut
The ceding of Taiwan(3)Centre be provided with grooving(4), and grooving(4)The left and right sides be mounted on screw rod(5), the screw rod(5)It is upper
Side is provided with pressing plate(6), and pressing plate(6)Surface be fixed with matte board(7), the pressing plate(6)Top turning handle is installed
(8), the support(9)Inner side be provided with connecting rod(10), and support(9)Positioned at cutting bed(3)Top, the connecting rod
(10)Inner side adjustment disk is installed(11), and adjustment disk(11)Inner side be provided with bull stick(12), the cutting disc(13)'s
Top is provided with dust cap(14), and cutting disc(13)Positioned at bull stick(12)Between, the connecting rod(10)The left and right sides it is equal
It is provided with pole(15), and pole(15)Top be welded with contiguous block(16), the dust cap(14)Top be provided with liter
Arm drops(17), and lifting arm(17)Top drive is installed(18), the drive(18)The left and right sides be provided with
Belt(19), the belt(19)Lower section driving wheel is installed(20), and driving wheel(20)Right side be provided with motor(21).
A kind of 2. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The work
Platform(1)With disk(2)Between surface fit, and workbench(1)With cutting bed(3)Between be parallel to each other.
A kind of 3. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The frosted
Plate(7)Between on pressing plate(6)Horizontal center line it is symmetrical, and pressing plate(6)Side it is stepped.
A kind of 4. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The cutting
Disk(13)Pass through bull stick(12)With adjustment disk(11)Rotation connection, and bull stick(12)Between on adjustment disk(11)Axis be in
Ring-type is uniformly distributed.
A kind of 5. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The cutting
Disk(13)Including power transmission shaft(1301), clasp(1302), bite(1303)And small opening(1304), power transmission shaft(1301)Outside
It is arranged with clasp(1302), clasp(1302)Outside bite is installed(1303), bite(1303)Surface be provided with
Small opening(1304).
A kind of 6. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 5, it is characterised in that:The cutting
Knife(1303)Between overlap-like be evenly distributed on clasp(1302)Outside, and bite(1303)Between radian it is equal.
A kind of 7. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The connection
Bar(10)Both ends be ball head structure, and connecting rod(10)With pole(15)Between size match.
A kind of 8. dust-proof cutter device of intermetallic composite coating multi-angle according to claim 1, it is characterised in that:The pole
(15)Between on cutting disc(13)Vertical centerline it is symmetrical, and pole(15)With support(9)Vertical direction it is parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711211597.4A CN107876893B (en) | 2017-11-28 | 2017-11-28 | A kind of dust-proof cutter device of intermetallic composite coating multi-angle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711211597.4A CN107876893B (en) | 2017-11-28 | 2017-11-28 | A kind of dust-proof cutter device of intermetallic composite coating multi-angle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107876893A true CN107876893A (en) | 2018-04-06 |
CN107876893B CN107876893B (en) | 2019-05-03 |
Family
ID=61775501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711211597.4A Active CN107876893B (en) | 2017-11-28 | 2017-11-28 | A kind of dust-proof cutter device of intermetallic composite coating multi-angle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107876893B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109877898A (en) * | 2019-03-06 | 2019-06-14 | 深圳利都科技有限公司 | Rapid cutting device is used in the super thermally conductive functional polymer composites processing of one kind |
CN114505345A (en) * | 2022-02-12 | 2022-05-17 | 浙江卓锐智控科技有限责任公司 | Parallel cutting mechanism |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60242912A (en) * | 1984-05-17 | 1985-12-02 | Mitsubishi Heavy Ind Ltd | Deburring method |
JPH0970716A (en) * | 1995-09-08 | 1997-03-18 | Hitachi Metals Ltd | Vibrating tool, and force controlling robot mounting the vibrating tool |
CN2400209Y (en) * | 1999-11-04 | 2000-10-11 | 赵顺川 | Metal pipe-cutting machine |
CN102151896A (en) * | 2010-01-08 | 2011-08-17 | 罗伯特·博世有限公司 | Miter Saw with Improved Dust Collection System |
CN203209696U (en) * | 2013-03-08 | 2013-09-25 | 王越敏 | Deep hole inner spherical surface machining device |
CN204449508U (en) * | 2015-03-18 | 2015-07-08 | 伍伟权 | A kind of multi-angle bead cutter device of convenient carrying |
CN204770795U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis inclined hole equipment |
CN106925829A (en) * | 2017-05-08 | 2017-07-07 | 赵利雅 | Dirt formula cylindrical objects multi-angle cutter sweep is taken out in closing |
CN107282965A (en) * | 2017-07-31 | 2017-10-24 | 张志通 | A kind of sleeping boring combined machine of numerical control vertical milling |
-
2017
- 2017-11-28 CN CN201711211597.4A patent/CN107876893B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60242912A (en) * | 1984-05-17 | 1985-12-02 | Mitsubishi Heavy Ind Ltd | Deburring method |
JPH0970716A (en) * | 1995-09-08 | 1997-03-18 | Hitachi Metals Ltd | Vibrating tool, and force controlling robot mounting the vibrating tool |
CN2400209Y (en) * | 1999-11-04 | 2000-10-11 | 赵顺川 | Metal pipe-cutting machine |
CN102151896A (en) * | 2010-01-08 | 2011-08-17 | 罗伯特·博世有限公司 | Miter Saw with Improved Dust Collection System |
CN203209696U (en) * | 2013-03-08 | 2013-09-25 | 王越敏 | Deep hole inner spherical surface machining device |
CN204449508U (en) * | 2015-03-18 | 2015-07-08 | 伍伟权 | A kind of multi-angle bead cutter device of convenient carrying |
CN204770795U (en) * | 2015-07-16 | 2015-11-18 | 嘉兴市新望机械制造有限公司 | Bent axle major axis inclined hole equipment |
CN106925829A (en) * | 2017-05-08 | 2017-07-07 | 赵利雅 | Dirt formula cylindrical objects multi-angle cutter sweep is taken out in closing |
CN107282965A (en) * | 2017-07-31 | 2017-10-24 | 张志通 | A kind of sleeping boring combined machine of numerical control vertical milling |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109877898A (en) * | 2019-03-06 | 2019-06-14 | 深圳利都科技有限公司 | Rapid cutting device is used in the super thermally conductive functional polymer composites processing of one kind |
CN114505345A (en) * | 2022-02-12 | 2022-05-17 | 浙江卓锐智控科技有限责任公司 | Parallel cutting mechanism |
Also Published As
Publication number | Publication date |
---|---|
CN107876893B (en) | 2019-05-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102794695B (en) | Five-shaft polishing machine | |
CN208556984U (en) | A kind of grinding device of PLC control | |
CN203062452U (en) | Universal knife and scissors grinding machine with feeding and discharging manipulator | |
CN206029622U (en) | Five -axis cutting water jet scalpel | |
CN107876893A (en) | A kind of dust-proof cutter device of intermetallic composite coating multi-angle | |
CN107599021A (en) | A kind of cutting machine of accurate positioning | |
CN201120565Y (en) | Numerical control tool grinding tapping machine | |
CN106891047A (en) | One kind bending axial workpiece external cutting processing unit (plant) and cutting working method | |
CN2240430Y (en) | Multi-function stone cutting and grinding machine | |
CN108907752A (en) | A kind of generating metal-working plant | |
CN201863077U (en) | Angle grinding tooling for crystal square chip | |
CN209078404U (en) | Tooling is used in a kind of machining | |
CN209811920U (en) | Device for polishing and removing burrs on arc edge of machined product | |
CN108213575A (en) | A kind of digital control mechanical arm cutting machine being used for work piece cut | |
CN208744370U (en) | A kind of wood craft machines sharpening base | |
CN207534508U (en) | A kind of adjustable type reciprocating cutter grinder | |
CN107262790B (en) | A kind of control device for arc surface Milling Process | |
CN207696325U (en) | A kind of grinding machine of adjustable-angle | |
CN108161119B (en) | A kind of multistage is adjustable Buddha's warrior attendant saw and its sawing device | |
CN206703306U (en) | A kind of cutting polishing system of large-stone | |
CN104511948A (en) | Swing arm elevated working platform square wood multi-chip saw and use method thereof | |
CN204639812U (en) | A kind of guide wheel device of centerless grinder | |
CN104626247A (en) | Insulating paper board ring edge chamfering device | |
CN107283649A (en) | A kind of cutting equipment | |
CN217474977U (en) | Flat beveling machine |
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 | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190408 Address after: 221400 the southern side of 323 provincial road in the industrial agglomeration area of Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Xuzhou Shanghuang Ship Parts Co., Ltd. Address before: 215300 Room 4, 211 Changshun Road, Zhangpu Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Kunshan pooktre metal products Co. Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |