CN103348806B - The stepless adjustable rice transplanter of line-spacing - Google Patents
The stepless adjustable rice transplanter of line-spacing Download PDFInfo
- Publication number
- CN103348806B CN103348806B CN201310290273.XA CN201310290273A CN103348806B CN 103348806 B CN103348806 B CN 103348806B CN 201310290273 A CN201310290273 A CN 201310290273A CN 103348806 B CN103348806 B CN 103348806B
- Authority
- CN
- China
- Prior art keywords
- groups
- seedling
- rice shoot
- conveyer belts
- shoot conveyer
- 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
Abstract
The invention provides the stepless adjustable rice transplanter of a kind of line-spacing, comprise the seedling box part that frame and frame are installed, get seedling seelding placing machine structure, Shu Miao mechanism, Shu Miao mechanism is by two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts and drive disk assembly composition, two groups of secondary rice shoot conveyer belts are arranged on the below of two groups of one-level rice shoot conveyer belts, bridge joint belt is provided with between two groups of secondary rice shoot conveyer belts and two groups of one-level rice shoot conveyer belts, the bridging board that single shaft is articulated and connected is provided with between the conveyer belt frame of two groups of one-level rice shoot conveyer belts and the conveyer belt frame of two groups of secondary rice shoot conveyer belts, bridge joint belt correspondence is arranged on belt wheel and forms bridge joint transmission, two groups of secondary rice shoot conveyer belts are arranged on and two-stage conveying belt wheel form two-stage conveying device and the lower end being suspended on two groups of one-level rice shoot conveyer belts by bridging board, the conveying belt machine of described two groups of one-level rice shoot conveyer belts sets up the row spacing regulating mechanism be made up of line-spacing adjusting screw(rod) and line-spacing regulating tank orifice plate.
Description
Technical field
The present invention relates to a kind of structure of rice transplanter, especially the stepless adjustable rice transplanter of line-spacing, belongs to rice transplanter technical field.
Background technology
Existing line-spacing is adjustable rice transplanter, be made up of frame, seedling box part, rice transplanting mechanism etc., seedling planting row pitch is adjustable not only to be needed to change the lateral separation that seedling is grabbed but also the width that will change seedling case, and this can cause adjustment trouble, and processing and manufacturing requires high, after adjustment, easily displacement causes seedling taking to be forbidden.More troublesome thing is that the seedling dish size of seedling and nursery system need frequent replacing, to nursery with transplant seedlings and cause difficulty, more brings very large obstacle to rural area popularization.China is vast in territory, and rice varieties is widely different, and Rice cropping systems difference also reaches, southern double cropping rice and the northern single cropping rice, hybrid rice and japonica rice intertexture mutual tolerance, thus line-spacing adjustable be agronomy is compeled as pressing as a fire singeing one's eyebrows.
Summary of the invention
Object of the present invention is exactly the needs for meeting market, there is provided a kind of and grab lateral separation without the need to adjusting seedling, do not change seedling taking and put seedling parts, without the need to regulating seedling case width, without the need to substituting nursery system, only need rotate and changing the stepless adjustable rice transplanter of a kind of line-spacing of object that conveyer belt angle just can realize rice transplanter line-spacing step-less adjustment.
For realizing above object, technical scheme of the present invention is as follows:
There is provided a kind of line-spacing stepless adjustable rice transplanter, comprise the seedling box part that frame and frame are installed, get seedling seelding placing machine structure, Shu Miao mechanism, getting seedling seelding placing machine structure is arranged between the seedling boxboard bottom of seedling box part and Shu Miao mechanism top, described Shu Miao mechanism is by two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts and drive disk assembly composition, two groups of secondary rice shoot conveyer belts are arranged on the below of two groups of one-level rice shoot conveyer belts, bridge joint belt is provided with between two groups of secondary rice shoot conveyer belts and two groups of one-level rice shoot conveyer belts, the bridging board that single shaft is articulated and connected is provided with between the conveyer belt frame of two groups of one-level rice shoot conveyer belts and the conveyer belt frame of two groups of secondary rice shoot conveyer belts, bridge joint belt correspondence is arranged on belt wheel and forms bridge joint transmission, two groups of secondary rice shoot conveyer belts connect the lower end being suspended on two groups of one-level rice shoot conveyer belts by bridging board, the conveying belt machine of described two groups of one-level rice shoot conveyer belts sets up the row spacing regulating mechanism be made up of line-spacing adjusting screw(rod) and line-spacing regulating tank orifice plate.
Described seedling seelding placing machine structure of getting comprises crank, rocking bar, seedling pin, connecting rod, seedling pushing device etc., it is characterized by seedling pin is arranged on connecting rod, crank and rod hinge connection, rocking bar and rod hinge connection, crank is initiatively, 360 °, crank rotates drivening rod and rocking bar swings, thus make the movement locus of seedling pin needle point be the heart-shaped track of different shape, seedling crown portion is positioned at when seedling pin is positioned at the seedling block that pushes away of seedling pushing device when seedling is got on the heart-shaped track top of different shape, to push away seedling block when seedling is put in the heart-shaped track bottom of different shape and be positioned at seedling needle tip when seedling needle point is positioned at and complete and push away seedling action, go round and begin again, thus complete and get seedling and put seedling process.
Described seedling seelding placing machine structure of getting for first capturing pot seedling from seedling boxboard, then is put into the conveying feeding mouth between two groups of one-level rice shoot conveyer belts pot seedling.
The drive disk assembly of described two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts is equipped with driving pulley, passive belt wheel, belt conveyor, the axis of two groups of driving pulleys of two groups of one-level rice shoot conveyer belts is parallel to each other, and the distance between two groups of one-level rice shoot conveyer belts and two groups of belt conveyors of two groups of secondary rice shoot conveyer belts is 10-30mm.
Described belt conveyor working surface is provided with conveying block, and conveying block is vertical with the length direction of belt conveyor with belt conveyor surface.Dovetail groove is provided with bottom belt, and the circumferential continuous distribution in belt.
Described drive disk assembly is made up of travelling gear combination, bevel gear reduction combinations, chain wheel I, chain wheel II and chain, drive disk assembly is connected with described seedling seelding placing machine structure of getting by chain wheel I, chain wheel II and chain, and drive disk assembly is connected with the conveyer belt frame of two groups of one-level rice shoot conveyer belts and the conveyer belt frame of two groups of secondary rice shoot conveyer belts by travelling gear combination.
The present invention is simply rational in infrastructure, the Shu Miao mechanism be made up of two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts and drive disk assembly, secondary rice shoot conveyer belt connects the lower end being suspended on two groups of one-level rice shoot conveyer belts by bridging board, and the drive disk assembly of two groups of one-level rice shoot conveyer belts is provided with the row spacing regulating mechanism that vertical line angle is departed from rice shoot conveyer belt lower end that line-spacing adjusting screw(rod) and line-spacing regulating tank orifice plate form, to realize transplanting seedlings the object of step-less adjustment line-spacing without the need to changing seedling system and frequent turnover different size seedling dish, being convenient to very much rural area and promoting.Conveniently regulate line-spacing, peasant can be made to regulate the line-spacing that transplants seedlings at any time according to the different planting system of different cultivars, break the mechanization defect of transplanting seedlings that current national single solution for diverse problems 30cm fixes line-spacing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is for getting seedling seelding placing machine structure schematic diagram;
Fig. 3 is for getting seedling seelding placing machine structure fundamental diagram;
Fig. 4 a is rice shoot conveying mechanism front view;
Fig. 4 b is rice shoot conveying mechanism left view;
Fig. 5 be in Fig. 7 A to the orientation diagram carrying feeding mouth between two groups of one-level rice shoot conveyer belts;
Fig. 6 a is the schematic diagram that the drive disk assembly of rice shoot conveying mechanism is departed from left by row spacing regulating mechanism;
Fig. 6 b is the schematic diagram that the drive disk assembly of rice shoot conveying mechanism is departed to the right by row spacing regulating mechanism;
Fig. 7 is using state schematic diagram of the present invention;
Fig. 8 a is two groups of one-level rice shoot conveyer belt front views;
Fig. 8 b is two groups of one-level rice shoot conveyer belt left views.
In figure: 1, seedling boxboard, 2, seedling boxboard frame in combination, 3, sowing mechanism supporting seat, 4, frame, 5, support member, 6, two groups of one-level rice shoot conveyer belt assemblies, 7, two groups of secondary rice shoot conveyer belt assemblies, 8, two groups of secondary rice shoot conveyer belts, 9, two groups of secondary rice shoot conveyer belt followers, 10, two groups of secondary rice shoot conveyer belt driving wheels, 11, bridge joint belt, 12, the fastening connecting rod ASSY of defeated seedling mechanism assembly, 13, one-level rice shoot conveyer belt, 14, travelling gear combines, and 15, bevel gear reduction combinations, 16, chain wheel I, 17, chain wheel II, 18, get seedling seelding placing machine structure, 18a, rocking bar, 18b, connecting rod, 18c, crank, 18d, seedling pushing device, 18e, seedling pin, 19, alms bowl body blanket seedling, 20, two groups of one-level rice shoot conveyer belt frames, 21, two groups of one-level rice shoot conveyer belt frame anchorage bars, 22, two groups of one-level rice shoot conveyer belt driving wheels, 23, two groups of one-level rice shoot conveyer belt followers, 24, line-spacing adjusting screw(rod) combines, and 25, line-spacing regulating tank orifice plate, 26, one-level rice shoot conveyer belt mechanism connecting plate, 27, fastening bolt combines, and 28, adjusting bolt, 29, bridging board, 30, two groups of secondary rice shoot conveyer belt mechanism connecting plates, 31, two groups of secondary rice shoot conveyer belt frames, 32, two groups of secondary rice shoot conveyer belt frame anchorage bars, 33, bolt combination, 34, conveying block, M, conveying feeding mouth.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, rice transplanter disclosed by the invention comprises: seedling boxboard 1, seedling boxboard frame in combination 2, sowing mechanism supporting seat 3, frame 4, support member 5, two groups of one-level rice shoot conveyer belt assemblies 6, two groups of secondary rice shoot conveyer belt assemblies 7, two groups of secondary rice shoot conveyer belts 8, two groups of secondary rice shoot conveyer belt followers 9, two groups of secondary rice shoot conveyer belt driving wheels 10, bridge joint belt 11, the fastening connecting rod ASSY 12 of defeated seedling mechanism assembly, two groups of one-level rice shoot conveyer belts 13, travelling gear combination 14, bevel gear reduction combinations 15, chain wheel I 16, chain wheel II 17 and rice shoot grasping mechanism 18.
As shown in Figure 2, get seedling seelding placing machine structure 18 and comprise rocking bar 18a, connecting rod 18b, crank 18c, seedling pushing device 18d, seedling pin 18e etc.; Fig. 3 is for getting seedling seelding placing machine structure fundamental diagram, and OA is crank, and CB is rocking bar, and BAD is connecting rod, and the O end of crank is hinged fixing, and the C end of connecting rod is hinged fixing.Facility are by speed
v mtravel, crank OA presses angular speed
ωthe constant speed revolution of shown direction, drivening rod AB moves, on connecting rod, D point is the tip of seedling pin 18e, the rotation drivening rod of crank causes seedling needle tip to make certain movement locus do translation, namely the heart-shaped track (in Fig. 3 dotted portion) of described different shape, wherein ab is for getting seedling section, and bc is fortune seedling section, cd is for pushing away seedling section, and da is reverse-running section.It is characterized by seedling pin 18e is arranged on connecting rod 18b, crank 18c and connecting rod 18b is hinged, rocking bar 18a and connecting rod 18b is hinged, crank 18c is initiatively, crank 18e360 ° is rotated drivening rod 18b and rocking bar 18a and swings, thus make the movement locus of seedling pin 18e needle point be the heart-shaped track of different shape, the seedling block that pushes away being positioned at seedling pushing device 18d when seedling is got on the heart-shaped track top of different shape as seedling pin 18e is positioned at seedling crown portion, to push away seedling block when seedling is put in the heart-shaped track bottom of different shape and be positioned at seedling pin 18e tip when seedling pin 18e point is positioned at and complete and push away seedling action, go round and begin again, thus complete and get seedling and put seedling process.
Bevel gear reduction combinations 15 is made up of reduction gearbox of bevel gear body, sprocket wheel, output shaft and output gear etc., chain wheel II 17 output chain gear by chain by transmission of power to the chain wheel I 16 of bevel gear reduction combinations 15, output shaft drives defeated seedling mechanism assembly to carry out rice shoot conveying by a pair involute gear.
Wherein the structure of defeated seedling mechanism assembly as shown in figures 4 a and 4b, comprise two groups of one-level rice shoot conveyer belt frames 20, two groups of one-level rice shoot conveyer belt frame anchorage bars 21, line-spacing adjusting screw(rod) combination 24, line-spacing regulating tank orifice plate 25, two groups of one-level rice shoot conveyer belt mechanism connecting plates 26, fastening bolt combination 27, adjusting bolt 28, bridging board 29, two groups of secondary rice shoot conveyer belt mechanism connecting plates 30, two groups of secondary rice shoot conveyer belt frames 31, two groups of secondary rice shoot conveyer belt frame anchorage bars 32, bolt combination 33, two groups of one-level rice shoot conveyer belt driving wheels 22, two groups of one-level rice shoot conveyer belts 12, two groups of one-level rice shoot conveyer belt followers 23, bridge joint belt 11, two groups of secondary rice shoot conveyer belt driving wheels 10, two groups of secondary rice shoot conveyer belts 8 and two groups of secondary rice shoot conveyer belt followers 9.Get seedling seelding placing machine structure 18 and first capture pot seedling from seedling boxboard 1, then pot seedling is put into the conveying feeding mouth M between two groups of one-level rice shoot conveyer belts, as shown in Figure 5.
As shown in figures 6 a and 6b, two groups of one-level rice shoot conveyer belt frames 20 or two groups of one-level rice shoot conveyer belts 13 can realize its adjustment with ground, paddy field angle under the effect of line-spacing adjusting screw(rod) combination 24 and line-spacing regulating tank orifice plate 25, and realization is transplanted seedlings line-spacing step-less adjustment.Bridging board 29 connects two groups of one-level rice shoot conveyer belt mechanism connecting plates 26 and two groups of two-stage conveying band mechanism connecting plates 30, and can make under the effect of adjusting bolt 28 two groups of secondary rice shoot conveyer belt frames 31 or two groups of secondary rice shoot conveyer belts 8 vertical with ground, paddy field all the time.Distance between two groups of one-level rice shoot conveyer belts 13 and two groups of secondary rice shoot conveyer belts 8 is adjustable, and adjustable range is 10 ~ 30mm.
As shown in Figure 7, when rice transplanter transplants seedlings, alms bowl body blanket seedling 19 is placed on mu boxboard 1, rice shoot grasping mechanism 18 is put into after capturing alms bowl body blanket seedling 19 on two groups of one-level rice shoot conveyer belts 13, alms bowl body blanket seedling 19 is transported on two groups of secondary rice shoot conveyer belts 8 by two groups of first-level transport bands 13, alms bowl body blanket seedling 19 is transported on ground, paddy field by two groups of secondary rice shoot conveyer belts 8, realizes the function that indirect type transplants seedlings.Wherein two groups of secondary rice shoot conveyer belts 8 take over alms bowl body blanket seedling 19 continuation conveying from two groups of one-level rice shoot conveyer belts 13, certain speed is kept during conveying, alms bowl body blanket seedling 19 is perpendicular to the ground in the spot speed direction leaving two groups of secondary rice shoot conveyer belts 8, can ensure the perpendicularity on alms bowl body blanket seedling 19 and ground, paddy field like this.
As shown in figs. 8 a and 8b, two groups of one-level rice shoot conveyer belts 13 are provided with conveying block 34, for carrying alms bowl body blanket seedling 19 perpendicular to surface.
Claims (1)
1. the stepless adjustable rice transplanter of line-spacing, comprise frame and frame are installed seedling box part, get seedling seelding placing machine structure, Shu Miao mechanism, get seedling seelding placing machine structure and be arranged between the seedling boxboard bottom of seedling box part and Shu Miao mechanism top, it is characterized in that:
Described Shu Miao mechanism is by two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts and drive disk assembly composition, two groups of secondary rice shoot conveyer belts are arranged on the below of two groups of one-level rice shoot conveyer belts, bridge joint belt is provided with between two groups of secondary rice shoot conveyer belts and two groups of one-level rice shoot conveyer belts, the bridging board that single shaft is articulated and connected is provided with between the conveyer belt frame of two groups of one-level rice shoot conveyer belts and the conveyer belt frame of two groups of secondary rice shoot conveyer belts, bridge joint belt correspondence is arranged on belt wheel and forms bridge joint transmission, two groups of secondary rice shoot conveyer belts connect the lower end being suspended on two groups of one-level rice shoot conveyer belts by bridging board, the conveying belt machine of described two groups of one-level rice shoot conveyer belts sets up the row spacing regulating mechanism be made up of line-spacing adjusting screw(rod) and line-spacing regulating tank orifice plate,
Described seedling seelding placing machine structure of getting comprises crank, rocking bar, seedling pin, connecting rod, seedling pushing device, it is characterized by seedling pin is arranged on connecting rod, crank and rod hinge connection, rocking bar and rod hinge connection, crank is initiatively, 360 °, crank rotates drivening rod and rocking bar swings, thus make the movement locus of seedling pin needle point be the heart-shaped track of different shape, seedling crown portion is positioned at when seedling pin is positioned at the seedling block that pushes away of seedling pushing device when seedling is got on the heart-shaped track top of different shape, to push away seedling block when seedling is put in the heart-shaped track bottom of different shape and be positioned at seedling needle tip when seedling needle point is positioned at and complete and push away seedling action, go round and begin again, thus complete and get seedling and put seedling process.
2. the stepless adjustable rice transplanter of line-spacing according to claim 1, is characterized in that:
Described seedling seelding placing machine structure of getting for first capturing pot seedling from seedling boxboard, then is put into the conveying feeding mouth between two groups of one-level rice shoot conveyer belts pot seedling.
3. the stepless adjustable rice transplanter of line-spacing according to claim 1, is characterized in that:
The drive disk assembly of described two groups of one-level rice shoot conveyer belts, two groups of secondary rice shoot conveyer belts is equipped with driving pulley, passive belt wheel, belt conveyor, the axis of two groups of driving pulleys of two groups of one-level rice shoot conveyer belts is parallel to each other, and the distance between two groups of one-level rice shoot conveyer belts and two groups of belt conveyors of two groups of secondary rice shoot conveyer belts is 10-30mm.
4. the stepless adjustable rice transplanter of line-spacing according to claim 3, is characterized in that:
Described belt conveyor working surface is provided with conveying block, and conveying block is vertical with the length direction of belt conveyor with belt conveyor surface, is provided with dovetail groove bottom belt, and the circumferential continuous distribution in belt.
5. the stepless adjustable rice transplanter of a kind of line-spacing according to claim 1, is characterized in that:
Described seedling box part arranges seedling boxboard, seedling boxboard frame in combination, horizontal seedling box mover, longitudinal seedling box mover.
6. the stepless adjustable rice transplanter of a kind of line-spacing according to claim 1, is characterized in that:
Described drive disk assembly is made up of travelling gear combination, bevel gear reduction combinations, chain wheel I, chain wheel II and chain, drive disk assembly is connected with described seedling seelding placing machine structure of getting by chain wheel I, chain wheel II and chain, and drive disk assembly is connected with the conveyer belt frame of two groups of one-level rice shoot conveyer belts and the conveyer belt frame of two groups of secondary rice shoot conveyer belts by travelling gear combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290273.XA CN103348806B (en) | 2013-07-11 | 2013-07-11 | The stepless adjustable rice transplanter of line-spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290273.XA CN103348806B (en) | 2013-07-11 | 2013-07-11 | The stepless adjustable rice transplanter of line-spacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103348806A CN103348806A (en) | 2013-10-16 |
| CN103348806B true CN103348806B (en) | 2015-09-02 |
Family
ID=49305312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310290273.XA Active CN103348806B (en) | 2013-07-11 | 2013-07-11 | The stepless adjustable rice transplanter of line-spacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103348806B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000014211A (en) * | 1998-06-30 | 2000-01-18 | Yanmar Agricult Equip Co Ltd | Transplanter |
| JP2001037305A (en) * | 1999-07-30 | 2001-02-13 | Hokuei:Kk | Seedling feeder in transplanter |
| ES1044131Y (en) * | 1999-08-19 | 2000-08-16 | Semirec S L | AUTOMATIC VEGETABLE TRANSPLANTER. |
| CN2575955Y (en) * | 2002-11-07 | 2003-10-01 | 黑龙江八一农垦大学 | Rice-seedling cultivating-in-earthen-bowl planter |
| JP5099427B2 (en) * | 2006-12-11 | 2012-12-19 | みのる産業株式会社 | Seedling transport device |
| CN203387887U (en) * | 2013-07-11 | 2014-01-15 | 扬州大学 | Seedling transplanting machine with stepless and adjustable line spacing |
-
2013
- 2013-07-11 CN CN201310290273.XA patent/CN103348806B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103348806A (en) | 2013-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103650719B (en) | A kind of pot seedling transplanter | |
| CN202799808U (en) | Red date seedling transplanter | |
| CN103999616B (en) | The Song Miao mechanism of seedling dish pressure-bearing type Automatic Transplanter | |
| CN108293378B (en) | Multifunctional mulberry leaf planter and use method thereof | |
| CN203896716U (en) | Seedling feeding mechanism of full-automatic transplanting machine with transversely arranged seedling dish | |
| CN108438845A (en) | A kind of double pendulum sorter | |
| CN204069717U (en) | Chain-clip type Scallion Transplanter | |
| CN106612792B (en) | A kind of orderly wide cut rice seedlings transplanter | |
| CN105284253B (en) | Disk device is sent in a kind of automation of transplanter | |
| CN103392427B (en) | The mechanization of alms bowl body blanket seedling is transplanted seedlings technique | |
| CN104691812A (en) | Pallet-free bar-forming conveying device for biscuits | |
| CN203387887U (en) | Seedling transplanting machine with stepless and adjustable line spacing | |
| CN111527935A (en) | Swing type plant growth frame | |
| CN103348806B (en) | The stepless adjustable rice transplanter of line-spacing | |
| CN204362545U (en) | Row-pitch adjustable pot seedling punching plant feed unit | |
| CN104025782A (en) | Multipurpose planting machine | |
| CN106241331A (en) | A kind of batch production mushroom productive culture material feeder | |
| CN206895236U (en) | A kind of garlic stems cropper | |
| CN111602535A (en) | Rotary multi-azimuth plant cultivation rack | |
| CN204837161U (en) | Conveyor device for corn husker | |
| CN106719229A (en) | A kind of running gear of feeding system | |
| CN208387288U (en) | With tooth-like potato used plastic collection device | |
| CN207639176U (en) | Harvester for potato | |
| CN204489262U (en) | Biscuit nothing holder slivering load transfer device | |
| CN207135504U (en) | A kind of rice growing rice transplanting platform mobile device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |