CN206895267U - A kind of sheller unit - Google Patents
A kind of sheller unit Download PDFInfo
- Publication number
- CN206895267U CN206895267U CN201720870214.3U CN201720870214U CN206895267U CN 206895267 U CN206895267 U CN 206895267U CN 201720870214 U CN201720870214 U CN 201720870214U CN 206895267 U CN206895267 U CN 206895267U
- Authority
- CN
- China
- Prior art keywords
- threshing
- plate
- cover plate
- fixed
- cylinder
- 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
Landscapes
- Threshing Machine Elements (AREA)
Abstract
The utility model discloses a kind of sheller unit, including threshing cylinder, spout, cover plate, threshing concave plate.The utility model avoids material from entering separating plate section straight in the state of abundant threshing processing is not carried out, improves threshability when handling a large amount of cereal by setting slotted hole to carry out secondary threshing on the cover board;By the threshing concave plate that sets dismounting plate and can adjust up and down, the adjustment of disposal ability can be carried out according to material variety, the mature condition of material, dry and wet degree and the growing way of crop, with the treatment effect being optimal.
Description
Technical field
Field of agricultural machinery is the utility model is related to, especially a kind of sheller unit.
Background technology
Harvester, with stalk crops, such as wheat or paddy, will carry out threshing processing in harvesting to it.Nowadays, farming
Thing increases production, and peasant household needs to handle substantial amounts of cereal, in the case where equipment scale is constant, unit interval processing cereal amount
It is how many to be just particularly important.But existing sheller unit, material only just carries out threshing in threshing rasp bar section, therefore is feeding greatly
In the case of amount, the disposal ability of existing sheller unit is easy to full close and is even short of, and material is not being taken off fully
Enter separating plate section straight in the state of grain processing, so as to cause material to be discharged from threshing chamber, cause grain loss;It is and existing de-
Grain device can only handle a certain cereal mostly, and it is poor to adapt to adjustment capability for different operating modes.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of sheller unit.This practicality is new
Type is in order to solve existing sheller unit, just material only carries out threshing in threshing rasp bar section, thus in the case of big feed quantity,
The disposal ability of existing sheller unit is easy to full close and is even short of, and material is not being carried out the state of abundant threshing processing
Under enter separating plate section straight, so as to cause material from threshing chamber discharge, cause grain loss;And existing sheller unit is most only
A certain cereal can be handled, the problems such as adapting to adjustment capability difference for different operating modes.
The utility model uses following technical proposals:A kind of sheller unit, it includes threshing cylinder, spout, cover plate, de-
Grain notch board;
The threshing cylinder includes front axle, termination, mounting cylinder, master collet, rear axle;Master collet is containment cylinder;Rear axle
It is fixed at the right flank of master collet;Mounting cylinder is round estrade, and right flank is fixed on the left surface of master collet, and left surface is affixed
Termination;Termination is cylinder, the affixed front axle in another side of termination;In the front axle, termination, mounting cylinder, master collet, rear axle
Mandrel is same axis;Multiple threshing rub-bar supports, threshing rasp bar, multiple threshing deflectors and multiple are set on the master collet
Water conservancy diversion throws plate, and material is circled along master collet and axially moved along central shaft, forms screw;The threshing line
Pole socket is rectangular block, is welded on master collet, is spaced along screw direction;The threshing rasp bar is L-shaped, and top is cast with
A plurality of rack, bottom are fixed in threshing rub-bar support top;The threshing deflector is right-angled trapezium steel plate, and side is fixed in threshing
The side of rub-bar support, direction are identical with screw direction;The water conservancy diversion throws plate and is fixed in master collet right-hand member, along threshing roll
Cylinder circumferencial direction is uniform, including leading portion deflector and back segment throw plate, and leading portion deflector is set along screw direction, and back segment is thrown
Plate level is sent to set;
The spout includes conically shaped, tapering transition plate;The left upper part of the conically shaped is circular arc, and bottom is side
Shape;The right-hand member of conically shaped is circle, is secured on forebay, right-hand member lower inside is welded with tapering transition plate;
The cover plate is semicircle barrel, and left side is fixed on forebay, and right side is secured on afer bay;Set on cover plate
There are multiple slotted holes, slotted hole matrix arrangement, be evenly arranged in the front and rear sides of cover plate;
The threshing concave plate includes wearing bar, diaphragm plate and bearing;The side of threshing concave plate is semicircle arcuation, is formed with cover plate
Cylinder space, threshing concave plate inwall radius are more than the exterior radius of cover plate, and left side is leveled up and down with cover plate, stayed between right side and cover plate
Eat dishes without rice or wine, be easy to water conservancy diversion throw plate dish out processing after material;The circumferencial direction of threshing concave plate is provided with more and wears bar, along de-
The axially arranged more diaphragm plates of grain notch board, diaphragm plate, which is fixed in, to be worn on bar, and leaves hole;Threshing concave plate bottom is welded with branch
Axle is worn in seat, centre, and axle is connected with support.
Preferably, fore bearing is provided with the front axle, bearing is fixed on front bearing mount, and front bearing mount is solid
Before being connected on mounting, preceding mounting is fixedly installed on threshing chamber;Rear bearing is provided with the rear axle, rear bearing is fixed in rear axle
Hold in mounting seat, rear bearing mounting base is fixed on back rest frame, and back rest frame is fixedly installed on threshing chamber.
Preferably, the segment distance of bearing mounting base one after the rear axle stretches out, and groove is set in section of stretching out.
Preferably, helical blade is also included on the mounting cylinder, helical blade bolt connection is on mounting cylinder.
Preferably, wear-resisting point is welded with the helical blade.
Preferably, the spout also falls swath including feeding, and feeding falls swath and set along screw direction, is fixed in
On the inside of conically shaped.
Preferably, the cover plate also falls swath including cover plate, and cover plate falls swath and set along screw direction, is fixed in lid
On the inside of plate.
Preferably, the cover plate also includes dismounting plate, and dismounting plate can load and unload on the cover board, and slotted hole is arranged on dismounting plate
On.
Preferably, the threshing concave plate can be with up and down, and support is provided with the track of above-below direction, and axle can be in track
It is upper up and down, drive threshing concave plate up and down.
The beneficial effects of the utility model are:
The utility model avoids material from not carrying out abundant threshing by setting slotted hole to carry out secondary threshing on the cover board
Enter separating plate section in the state of processing straight, improve threshability when handling a large amount of cereal;By set dismounting plate and
The threshing concave plate that can be adjusted up and down, can be according to material variety, the mature condition of material, dry and wet degree and the growing way of crop at
The adjustment of reason ability, with the treatment effect being optimal.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model;
Fig. 2 is the exploded view of the utility model assembly part;
Fig. 3 is threshing cylinder exploded view;
Fig. 4 is spout schematic diagram;
Fig. 5 is cover plate schematic diagram;
Fig. 6 is threshing concave plate schematic diagram;
Wherein threshing cylinder 1, front axle 1-1, termination 1-2, mounting cylinder 1-3, master collet 1-4, threshing rub-bar support 1-41, threshing
Rasp bar 1-42, threshing deflector 1-43, rear axle 1-5, water conservancy diversion throw plate 1-6, leading portion deflector 1-61, back segment throw plate 1-62,
Helical blade 1-7, fore bearing 1a, front bearing mount 1b, preceding mounting 1c, rear bearing 1d, rear bearing mounting base 1e, back rest frame
1f, spout 2, forebay 2-1, conically shaped 2-2, tapering transition plate 2-3, the feeding 2-4 of falling swath, cover plate 3, slotted hole 3-1, lid
The plate 3-2 of falling swath, dismount plate 3-3, threshing concave plate 4, wear bar 4-1, diaphragm plate 4-2.
Embodiment
Need exist for explanation, the noun of locality is left and right, it is upper and lower be to be defined on the basis of the view shown in Fig. 1
, it will be appreciated that the use of the noun of locality should not limit the protection domain that the application is asked.
The utility model is further illustrated with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2:A kind of sheller unit, it includes threshing cylinder 1, spout 2, cover plate 3, threshing concave plate 4;
As shown in Figure 3:The threshing cylinder 1 includes front axle 1-1, termination 1-2, mounting cylinder 1-3, master collet 1-4, rear axle 1-
5;Master collet 1-4 is containment cylinder;Rear axle 1-5 is fixed at master collet 1-4 right flank;Mounting cylinder 1-3 is round estrade, right
Side is fixed on master collet 1-4 left surface, the affixed termination 1-2 of left surface;Termination 1-2 is cylinder, and termination 1-2's is another
The affixed front axle 1-1 in side;The front axle 1-1, termination 1-2, mounting cylinder 1-3, master collet 1-4, rear axle 1-5 central shaft are same
Bar axis;Multiple threshing rub-bar support 1-41, threshing rasp bar 1-42, multiple threshing deflector 1-43 are set on the master collet 1-4
Plate 1-6 is thrown with multiple water conservancy diversion, material is circled along master collet 1-4 and axially moved along central shaft, forms spiral fortune
It is dynamic;The threshing rub-bar support 1-41 is rectangular block, is welded on master collet 1-4, is spaced along screw direction;It is described de-
Graining bar 1-42 is L-shaped, and top is cast with a plurality of rack, and bottom is fixed in threshing rub-bar support 1-41 tops;The threshing deflector
1-43 is right-angled trapezium steel plate, and side is fixed in threshing rub-bar support 1-41 side, and direction is identical with screw direction;It is described
Water conservancy diversion throws plate 1-6 and is fixed in master collet 1-4 right-hand members, uniform along the circumferencial direction of threshing cylinder 1, including leading portion deflector 1-61
Plate 1-62 is thrown with back segment, leading portion deflector 1-61 is set along screw direction, and back segment throws plate 1-62 and is horizontally disposed with;
As shown in Figure 4:The spout 2 includes conically shaped 2-2, tapering transition plate 2-3;The left end of the conically shaped 2-2
Top is circular arc, and bottom is square;Conically shaped 2-2 right-hand member is circle, is secured on forebay 2-1, right-hand member lower inside
It is welded with tapering transition plate 2-3;Be arranged such, by it is upper be circular arc, bottom be square setting make spout 2 can accept front
Conveying device transports the material of coming, and tapering transition plate 2-3 setting can make material rearward threshing concave plate transition 4;
As shown in Figure 5:The cover plate 3 is semicircle barrel, and left side is fixed on forebay 2-1, and right side is secured to rear machine
On frame;It is provided with multiple slotted hole 3-1 on cover plate 3, slotted hole 3-1 matrix arrangements, is evenly arranged in the front and rear sides of cover plate 3;
Be arranged such, when at material movement to slotted hole 3-1, material and slotted hole 3-1 rubbings so that seed threshing, seed from
Deviate from slotted hole 3-1, fall on lower section and clean on tray;Being arranged such can be secondary de- to not carrying out the material of threshing processing
Grain, improve threshability;
As shown in Figure 6:The threshing concave plate 4 includes wearing bar 4-1, diaphragm plate 4-2 and bearing;The side of threshing concave plate 4 is
Semicircle arcuation, cylinder space is formed with cover plate 3, the inwall radius of threshing concave plate 4 is more than the exterior radius of cover plate 3, left side and cover plate 3
Be leveled up and down, leave and eat dishes without rice or wine between right side and cover plate 3, be easy to water conservancy diversion throw plate 1-6 dish out processing after material;Along threshing concave plate 4
Circumferencial direction be provided with more and wear bar 4-1, it is affixed along the axially arranged more diaphragm plate 4-2 of threshing concave plate 4, diaphragm plate 4-2
On bar 4-1 is worn, and leave hole;The bottom of threshing concave plate 4 is welded with bearing, and axle is worn in centre, and axle is connected with support;It is arranged such,
When material moves along the hand of spiral of threshing concave plate 4, material acts on diaphragm plate 4-2, forms speed difference, produces rubbing action,
So that seed comes off, the seed to come off leaks down from hole, falls on lower section and cleans on tray.
On the basis of above-mentioned technical proposal, fore bearing 1a is provided with the front axle 1-1, bearing 1a is fixed in fore bearing
On mounting seat 1b, before front bearing mount 1b is fixed on mounting 1c, preceding mounting 1c is fixedly installed on threshing chamber;The rear axle
Rear bearing 1d is provided with 1-5, rear bearing 1d is fixed on rear bearing mounting base 1e, and rear bearing mounting base 1e is fixed in back rest frame
On 1f, back rest frame 1f is fixedly installed on threshing chamber;It is arranged such, reduces friction, while threshing cylinder 1 is securely fixed.
On the basis of above-mentioned technical proposal, the segment distances of bearing mounting base 1e mono- after the rear axle 1-5 stretches out, and stretching out
Section sets groove;It is arranged such, is easy to rear axle 1-5 to be installed in drive device, rear axle 1-5 is driven threshing as drive shaft
The pivoting of roller 1.
On the basis of above-mentioned technical proposal, helical blade 1-7, helical blade 1-7 spiral shells are also included on the mounting cylinder 1-3
Tether and be connected on mounting cylinder 1-3;It is arranged such, helical blade 1-7 can be with the rotation of threshing cylinder 1 and by material after
Side's conveying, axial force is provided to material, while conveniently helical blade 1-7 is safeguarded.
On the basis of above-mentioned technical proposal, wear-resisting point is welded with the helical blade 1-7;It is arranged such, can improves
Helical blade 1-7 grasp force, and can slow down the abrasion of helical blade, can be with the case where serious wear occurs in wear-resisting point
Again high-abrasive material melting welding is used, reduces helical blade 1-7 maintenance cost.
On the basis of above-mentioned technical proposal, the spout 2 also includes the feeding 2-4 of falling swath, the feeding 2-4 of falling swath edges
Screw direction is set, and is fixed on the inside of conically shaped 2-2;It is arranged such, material can be driven to advance along screw direction.
On the basis of above-mentioned technical proposal, the cover plate 3 also includes the cover plate 3-2 of falling swath, the cover plate 3-2 of falling swath along spiral shell
Revolve the direction of motion to set, be fixed in the inner side of cover plate 3;It is arranged such, material can be driven to advance along screw direction.
On the basis of above-mentioned technical proposal, the cover plate 3 also includes dismounting plate 3-3, and dismounting plate 3-3 can be loaded and unloaded in cover plate
On 3, slotted hole 3-1 is arranged on dismounting plate 3-3;It is arranged such, slotted hole 3-1 sizes can be changed according to the big I of material,
Strengthen Threshing.
On the basis of above-mentioned technical proposal, the threshing concave plate 4 can be with up and down, and support is provided with above-below direction
Track, axle can be up and down in orbit, drive threshing concave plate 4 up and down;Be arranged such, can be directed to feeding material into
The growing way of ripe situation, dry and wet degree and crop, the gap between threshing concave plate 4 and cover plate 3 is adjusted, realizes the optimal of Threshing
Property.
Embodiment, during work:
(1) material enters spout 2 by left, and the material that front is fed is grilled into by the helical blade 1-7 on threshing cylinder 1
And rearward convey, at the same time drive material to rotate together with, under the guide effect of the feeding sliver grass 2-4 on spout 2,
Material is set to advance along the screw direction of threshing cylinder 1;
(2) the circular cylinder region that material is entered between threshing cylinder 1 and threshing concave plate 6, the threshing line on threshing cylinder 1
Bar deflector 1-43 drives material to be rotated along screw direction, makes threshing rasp bar 1-43 of the material on threshing cylinder 1 and takes off
Speed difference is formed between diaphragm plate 4-2 on grain notch board 4, so that the active force that material is acted by " rubbing ", material is herein
Threshing processing is completed under active force, the seed to come off leaks down from the gap on threshing concave plate 4, falls on lower section and cleans on tray;
(3) material does not complete the material of threshing by the left and right sides of cover plate 3 with the rotational motion of threshing cylinder 1 to top
Slotted hole 3-1 effect, carry out threshing again, fall on lower section clean on tray;
(4) material after handling is transported by the guide effect of the cover plate grass guide board 3-2 on cover plate 3 along the spiral of threshing cylinder 1
Dynamic direction is rearward moved, and moves to the end of threshing cylinder 1, in the presence of plate 1-6 is thrown, outside outlet discharge body
Portion.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (9)
1. a kind of sheller unit, it is characterised in that including threshing cylinder, spout, cover plate, threshing concave plate;
The threshing cylinder includes front axle, termination, mounting cylinder, master collet, rear axle;Master collet is containment cylinder;Rear axle is affixed
At the right flank of master collet;Mounting cylinder is round estrade, and right flank is fixed on the left surface of master collet, left surface fixed connecting end
Head;Termination is cylinder, the affixed front axle in another side of termination;The front axle, termination, mounting cylinder, master collet, the center of rear axle
Axle is same axis;Multiple threshing rub-bar supports, threshing rasp bar, multiple threshing deflectors are set on the master collet and multiple led
Stream throws plate, and material is circled along master collet and axially moved along central shaft, forms screw;The threshing rasp bar
Seat is rectangular block, is welded on master collet, is spaced along screw direction;The threshing rasp bar is L-shaped, and top is cast with more
Bar rack, bottom are fixed in threshing rub-bar support top;The threshing deflector is right-angled trapezium steel plate, and side is fixed in threshing line
The side of pole socket, direction are identical with screw direction;The water conservancy diversion throws plate and is fixed in master collet right-hand member, along threshing cylinder
Circumferencial direction is uniform, including leading portion deflector and back segment throw plate, and leading portion deflector is set along screw direction, and back segment is thrown
Plate level is set;
The spout includes conically shaped, tapering transition plate;The left upper part of the conically shaped is circular arc, and bottom is square;
The right-hand member of conically shaped is circle, is secured on forebay, conically shaped right-hand member lower inside is welded with tapering transition plate;
The cover plate is semicircle barrel, and left side is fixed on forebay, and right side is secured on afer bay;It is provided with cover plate more
Individual slotted hole, slotted hole matrix arrangement, it is evenly arranged in the front and rear sides of cover plate;
The threshing concave plate includes wearing bar, diaphragm plate and bearing;The side of threshing concave plate is semicircle arcuation, and cylinder is formed with cover plate
Space, threshing concave plate inwall radius are more than the exterior radius of cover plate, and left side is leveled up and down with cover plate, and sky is left between right side and cover plate
Mouthful;The circumferencial direction of threshing concave plate is provided with more and wears bar, it is solid along the axially arranged more diaphragm plates of threshing concave plate, diaphragm plate
It is connected on and wears on bar, and leaves hole;Threshing concave plate bottom is welded with bearing, and axle is worn in centre, and axle is connected with support.
A kind of 2. sheller unit according to claim 1, it is characterised in that:Fore bearing, bearing are provided with the front axle
It is fixed on front bearing mount, before front bearing mount is fixed on mounting, preceding mounting is fixedly installed on threshing chamber;It is described
Rear bearing is provided with rear axle, rear bearing is fixed on rear bearing mounting base, and rear bearing mounting base is fixed on back rest frame, back seat
Frame is fixedly installed on threshing chamber.
A kind of 3. sheller unit according to claim 2, it is characterised in that:One section of bearing mounting base after the rear axle stretches out
Distance, and groove is set in section of stretching out.
A kind of 4. sheller unit according to claim 1, it is characterised in that:Also include helical blade on the mounting cylinder,
Helical blade bolt connection is on mounting cylinder.
A kind of 5. sheller unit according to claim 4, it is characterised in that:Wear-resisting point is welded with the helical blade.
A kind of 6. sheller unit according to claim 1, it is characterised in that:The spout also falls swath including feeding,
Feeding falls swath along the setting of screw direction, is fixed on the inside of conically shaped.
A kind of 7. sheller unit according to claim 1, it is characterised in that:The cover plate also falls swath including cover plate, lid
Plate falls swath along the setting of screw direction, is fixed on the inside of cover plate.
A kind of 8. sheller unit according to claim 1, it is characterised in that:The cover plate also includes dismounting plate, dismounts plate
It can load and unload on the cover board, slotted hole is arranged on dismounting plate.
A kind of 9. sheller unit according to claim 1, it is characterised in that:The threshing concave plate can be with up and down, branch
Frame is provided with the track of above-below direction, and axle can be up and down in orbit, drives threshing concave plate up and down.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720870214.3U CN206895267U (en) | 2017-07-18 | 2017-07-18 | A kind of sheller unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720870214.3U CN206895267U (en) | 2017-07-18 | 2017-07-18 | A kind of sheller unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206895267U true CN206895267U (en) | 2018-01-19 |
Family
ID=61311780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720870214.3U Active CN206895267U (en) | 2017-07-18 | 2017-07-18 | A kind of sheller unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206895267U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114916321A (en) * | 2022-05-20 | 2022-08-19 | 农业农村部南京农业机械化研究所 | a threshing mechanism |
CN117397468A (en) * | 2023-12-13 | 2024-01-16 | 吉林大学 | Corn threshing double-roller with inner and outer coaxial twin longitudinal axial flow |
-
2017
- 2017-07-18 CN CN201720870214.3U patent/CN206895267U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114916321A (en) * | 2022-05-20 | 2022-08-19 | 农业农村部南京农业机械化研究所 | a threshing mechanism |
CN114916321B (en) * | 2022-05-20 | 2023-04-07 | 农业农村部南京农业机械化研究所 | Threshing mechanism |
CN117397468A (en) * | 2023-12-13 | 2024-01-16 | 吉林大学 | Corn threshing double-roller with inner and outer coaxial twin longitudinal axial flow |
CN117397468B (en) * | 2023-12-13 | 2024-03-26 | 吉林大学 | A kind of internal and external coaxial twin longitudinal axial flow corn threshing double drums |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9510513B2 (en) | After-threshing arrangement for a combine harvester | |
CN204907164U (en) | Corn mowing machine and straw throwing device thereof | |
CN105580568B (en) | Corn threshing experimental rig | |
CN206895267U (en) | A kind of sheller unit | |
CN204014542U (en) | A kind of threshing cylinder of all feeding-in combine | |
CN101790925B (en) | Longitudinal axial flow threshing device of whole-feed combine harvester | |
CN216087675U (en) | Corn kernel harvester for intercropping | |
CN101361433A (en) | Grain combine pillar type flexible threshing method and pillar type flexible threshing mechanism | |
CN205567147U (en) | Corn threshing test device | |
CN209643380U (en) | A kind of baling press plastic stripper | |
CN203086995U (en) | Corn harvesting and straw separating machine | |
CN2336561Y (en) | Maize peeling and shelling machine | |
CN214592980U (en) | Granulating machine | |
CN209997701U (en) | wheat flour mill convenient for automatic threshing | |
CN212589014U (en) | Backpack sunflower harvester | |
CN208300362U (en) | A kind of efficient agricultural machinery corn threshing machine | |
CN206118459U (en) | Small -size maize net weight thresher | |
CN201640022U (en) | Longitudinal axial-flow threshing device of whole-feed combined harvester | |
CN209314269U (en) | A kind of bucket wheel type seeding unit of injuring-free seed | |
CN207678358U (en) | A kind of filament-rubbing machine of crop straw | |
CN206413417U (en) | A kind of harvester threshing drum | |
CN217445889U (en) | Novel vertical shaft multi-roller fresh corn thresher | |
CN220949737U (en) | Automatic blanking device | |
CN219448149U (en) | Rice quantitative feeding equipment for rice processing | |
CN212211999U (en) | Triaxial corn thresher auxiliary device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |