CN223298111U - Rape oil seed thresher - Google Patents
Rape oil seed thresherInfo
- Publication number
- CN223298111U CN223298111U CN202422455945.4U CN202422455945U CN223298111U CN 223298111 U CN223298111 U CN 223298111U CN 202422455945 U CN202422455945 U CN 202422455945U CN 223298111 U CN223298111 U CN 223298111U
- Authority
- CN
- China
- Prior art keywords
- threshing
- box
- fixedly connected
- rapeseed
- air
- 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
本实用新型公开了一种菜油籽脱粒装置，涉及菜油籽加工技术领域，一种菜油籽脱粒装置，包括脱粒箱，所述脱粒箱的左右内壁之间转动设置有驱动轴杆，所述驱动轴杆的表面固定连接有两个位置互相对称的限位安装盘，两个所述限位安装盘之间固定连接有四个刀具安装架。本实用新型通过在菜油籽脱粒箱的内部设置有限位安装盘和刀具安装架，可以利用驱动电机带动刀具安装架表面的刀片进行转动，进而利用刀片对油菜进行脱籽操作，同时利用气泵向脱粒箱内部输送空气，利用高速空气将脱粒后的菜籽向下吹送至筛选孔位置，从而利用筛选孔中的筛料网对菜籽进行除杂过滤，进而方便对筛选除杂后的菜籽进行收集，实现菜籽的高效筛选和收集。
The utility model discloses a rapeseed threshing device, which relates to the field of rapeseed processing technology. The rapeseed threshing device includes a threshing box, a drive shaft is rotatably provided between the left and right inner walls of the threshing box, the surface of the drive shaft is fixedly connected to two limit mounting plates symmetrically positioned to each other, and four tool mounting racks are fixedly connected between the two limit mounting plates. The utility model arranges a limit mounting plate and a tool mounting rack inside the rapeseed threshing box, and can use a drive motor to drive the blades on the surface of the tool mounting rack to rotate, and then use the blades to thresh the rapeseed, and at the same time use an air pump to transport air into the threshing box, and use high-speed air to blow the threshed rapeseed downward to the screening hole position, so that the sieve net in the screening hole is used to remove impurities and filter the rapeseed, and then the rapeseed after screening and impurity removal is conveniently collected, thereby achieving efficient screening and collection of rapeseed.
Description
Technical Field
The utility model relates to the technical field of vegetable oil seed processing, in particular to a vegetable oil seed threshing device.
Background
The rapeseeds are seeds of rape of cruciferous crops, the rape has longer pod fruits, more pods and full grain cost, can be used as oil pressing raw materials, is one of main oil crops and honey crops in China, and has grains which are one of main varieties of oil-making raw materials, but the threshing operation is complex due to smaller rape seed particles.
The patent document with the publication number of CN205266326U discloses a rapeseed threshing and impurity removing integrated device, which comprises a threshing part and an impurity removing part, wherein the threshing part comprises a lower box body, a threshing rotating shaft is arranged in the lower box body, threshing flails are arranged on the threshing rotating shaft, an upper box cover is detachably arranged at the top of the lower box body, a feeding table is arranged at the front side opening of the upper box cover, the impurity removing part comprises a feeding funnel, the feeding funnel is arranged at the bottom of the lower box body, the lower part of the feeding funnel is connected with the impurity removing box body, a blower device is arranged at the front side of the interior of the impurity removing box body, an impurity outlet is arranged at the rear side of the impurity removing box body, and a rapeseed outlet is arranged at the bottom of the impurity removing box body. The threshing machine can continuously finish the impurity removal operation after finishing the threshing of the rapeseeds, so that the working efficiency is improved, the device is simple in structure and convenient to operate, and the threshing and impurity removal clean rapeseeds can be finally collected through the device.
In practical use, the rapeseed threshing device disclosed in the above patent document lacks a wind shielding structure at the feed inlet, so that rapeseeds are easy to splash from the feed inlet to the outside of the device when threshing, and a certain waste is caused, therefore, the defect of the device needs to be improved and upgraded.
Disclosure of utility model
The utility model discloses a vegetable oil seed threshing device, and aims to solve the technical problem that vegetable oil seeds are inconvenient to screen and collect in processing.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The vegetable oil seed threshing device comprises a threshing box, wherein a driving shaft lever is rotatably arranged between the left inner wall and the right inner wall of the threshing box, two limit mounting plates which are mutually symmetrical in position are fixedly connected to the surface of the driving shaft lever, four cutter mounting frames are fixedly connected between the two limit mounting plates, a plurality of blades are fixedly arranged on the surface of each cutter mounting frame, and the upper surface of the threshing box is provided with a feed inlet;
The threshing box is characterized in that the front surface and the rear surface of the threshing box are fixedly connected with an air guide cover and an air pump, the output end of the air pump is fixedly connected with an air guide pipe, one end of the air guide pipe, which is far away from the air pump, extends to the inside of the air guide cover, the front inner wall and the rear inner wall of the threshing box are provided with strip-shaped air outlet holes, and the positions of the strip-shaped air outlet holes correspond to the air guide cover;
By arranging the wind scooper and the strip-shaped air outlet, the air output by the air pump can be input into the threshing box by utilizing the wind scooper and the strip-shaped air outlet, so that the screening and impurity removal of the rapeseeds are facilitated;
The threshing box is characterized in that the front inner wall and the rear inner wall of the threshing box are fixedly connected with arc-shaped wind shielding shells, the positions of the arc-shaped wind shielding shells correspond to the strip-shaped wind outlet holes, the bottom of the threshing box is of an arc-shaped structure, two screening holes with mutually symmetrical positions are formed in the arc-shaped surface of the threshing box, the inner walls of the screening holes are fixedly connected with screening screens, and the screening screens are used for screening and filtering shelled rapeseed grains;
The arc-shaped wind shielding shell is arranged at the top of the threshing box, so that the air pump can be used for inputting air to downwards guide the flow by the arc-shaped wind shielding shell, and splashing outside the threshing box in the threshing process of the rapeseeds is effectively avoided;
The threshing box is characterized in that the front surface and the rear surface of the threshing box are fixedly connected with air inlet shells, the positions of the air inlet shells correspond to the screening holes, and the lower surfaces of the air inlet shells are provided with discharge holes.
Through being provided with spacing mounting disc and cutter mounting bracket in the inside of rape seed threshing box, can utilize driving motor to drive the blade on cutter mounting bracket surface and rotate, and then utilize the blade to take off the seed operation to the rape.
In a preferred scheme, four support columns are fixedly connected to the bottom of the threshing box, two support bottom plates are fixedly connected to the surfaces of the support columns, a receiving box is placed on the upper surface of each support bottom plate, the position of the receiving box corresponds to that of the air inlet shell, and the receiving box is located under the discharging hole.
Through setting up supporting baseplate, can place the receipts magazine on supporting baseplate surface to utilize receipts magazine to collect the inside rapeseed of air inlet shell.
In a preferred scheme, the input fixedly connected with intake pipe of air pump, the one end that the air pump was kept away from to the intake pipe extends to the inside of air inlet shell.
Through setting up air inlet shell box intake pipe, can utilize the air pump to breathe in to the air inlet shell to be convenient for inhale the receipts magazine of air inlet shell bottom with the rapeseed of threshing box bottom, realize making things convenient for the effect that the ejection of compact was collected.
In a preferred scheme, the bottom of the threshing box is provided with a waste discharge hole, the inner wall of the waste discharge hole is fixedly provided with a bottom cover, and two sides of the bottom cover are fixedly arranged at the bottom of the threshing box through bolts.
Through being provided with the waste material discharge hole in the bottom of threshing box, can be after threshing, the staff can open the bottom of threshing box bottom, carries out the clearance of discharging with impurity waste material from the waste material discharge hole.
In a preferred scheme, the surface of cutter mounting bracket fixedly connected with a plurality of installation strip piece, a plurality of bolt mounting hole has been seted up to the surface of installation strip piece, the blade passes through fixing bolt fixed mounting at the surface of installation strip piece.
Through being provided with the installation strip piece on the surface of cutter mounting bracket, can install the blade at installation strip piece surface, and through setting up a plurality of bolt mounting hole, can adjust the mounted position of blade according to threshing material's size.
In a preferred scheme, the side of threshing box fixed mounting has the drive box, the fixed surface of drive box is provided with driving motor, driving motor's output shaft extends to the inside of drive box, and fixedly connected with drive pulley.
In a preferred scheme, one end of the drive shaft rod extends to the inside of the drive box and is fixedly connected with a driven pulley, a transmission belt is sleeved between the drive pulley and the driven pulley, and the drive motor drives the drive shaft rod to rotate through the drive pulley, the driven pulley and the transmission belt.
Through setting up driving motor, can utilize driving motor to drive pulley rotation, and then drive driven pulley rotation through driving belt, and then drive the driving shaft pole and rotate in the threshing box.
From the above, it can be seen that. The vegetable oil seed threshing device provided by the utility model has the following technical effects.
The method comprises the following steps: through being provided with spacing mounting disc and cutter mounting bracket in the inside of rape oil seed threshing box, can utilize driving motor to drive the blade on cutter mounting bracket surface and rotate, and then utilize the blade to carry out the operation of taking off the seed of rape, utilize the air pump to carry air to threshing box inside simultaneously, utilize high-speed air to blow the rape seed after threshing downwards to the screening hole position, thereby utilize the sieve material net in the screening hole to remove the edulcoration filtration to the rape seed, and then conveniently collect the rape seed after the screening edulcoration, realize the high-efficient screening and the collection of rape seed.
The top of the threshing box is provided with the arc-shaped wind shielding shell, the air pump can be input into the air downwards by utilizing the arc-shaped wind shielding shell, so that splashing outside the threshing box in the threshing process of the rapeseeds is effectively avoided, and the air pump can be utilized to suck air into the air inlet shell by arranging the air inlet pipe of the air inlet shell box, so that rapeseeds at the bottom of the threshing box are conveniently sucked into the receiving box at the bottom of the air inlet shell, and the effect of conveniently discharging and collecting is realized.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a vegetable oil seed threshing device provided by the utility model.
Fig. 2 is a schematic side sectional view of a vegetable oil seed threshing device according to the utility model.
Fig. 3 is a schematic rear view of a vegetable oil seed threshing device according to the utility model.
Fig. 4 is a schematic diagram of a limiting installation plate structure of a vegetable oil seed threshing device.
Fig. 5 is a schematic diagram of a front sectional structure of a driving box of a vegetable oil seed threshing device.
In the drawing, 1, a threshing box, 2, a driving shaft lever, 3, a limit mounting disc, 4, a cutter mounting frame, 5, a blade, 6, a feed inlet, 7, an air guide cover, 8, an air pump, 9, an air guide pipe, 10, a strip-shaped air outlet hole, 11, an arc-shaped wind shielding shell, 12, a screening hole, 13, a screening net, 14, an air inlet shell, 15, a discharge hole, 16, a supporting bottom plate, 17, a receiving box, 18, an air inlet pipe, 19, a waste discharging hole, 20, a bottom cover, 21, a mounting strip block, 22, a bolt mounting hole, 23, a driving box, 24, a driving motor, 25, a driving belt pulley, 26, a driven belt pulley, 27 and a driving belt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 3, a vegetable oil seed threshing device comprises a threshing box 1, wherein a driving shaft lever 2 is rotatably arranged between the left and right inner walls of the threshing box 1, and two limit mounting plates 3 which are mutually symmetrical in position are fixedly connected to the surface of the driving shaft lever 2.
Referring to fig. 5, in a preferred embodiment, a driving box 23 is fixedly installed at a side surface of the threshing box 1, a driving motor 24 is fixedly arranged on a surface of the driving box 23, an output shaft of the driving motor 24 extends into the driving box 23 and is fixedly connected with a driving belt pulley 25, one end of the driving shaft lever 2 extends into the driving box 23 and is fixedly connected with a driven belt pulley 26, a driving belt 27 is sleeved between the driving belt pulley 25 and the driven belt pulley 26, and the driving motor 24 drives the driving shaft lever 2 to rotate through the driving belt pulley 25, the driven belt pulley 26 and the driving belt 27.
Referring to fig. 4, in a preferred embodiment, four cutter mounting frames 4 are fixedly connected between two limit mounting plates 3, a plurality of blades 5 are fixedly mounted on the surface of the cutter mounting frames 4, and a feed inlet 6 is formed in the upper surface of the threshing box 1.
The surface of the cutter mounting frame 4 is fixedly connected with a plurality of mounting bar blocks 21, a plurality of bolt mounting holes 22 are formed in the surface of the mounting bar blocks 21, and the cutter blade 5 is fixedly mounted on the surface of the mounting bar blocks 21 through fixing bolts.
It is worth to say that, through being provided with spacing mounting disc 3 and cutter mounting bracket 4 in the inside of rape oil seed threshing box 1, when carrying out the rape seed threshing, can utilize driving motor 24 to drive a plurality of blade 5 on cutter mounting bracket 4 surface and rotate, and then utilize blade 5 to carry out the threshing operation to the rape.
Referring to fig. 2 specifically, the front and rear surfaces of the threshing box 1 are fixedly connected with an air guide cover 7 and an air pump 8, the output end of the air pump 8 is fixedly connected with an air guide pipe 9, one end of the air guide pipe 9 away from the air pump 8 extends to the inside of the air guide cover 7, strip-shaped air outlet holes 10 are formed in the front and rear inner walls of the threshing box 1, and the positions of the strip-shaped air outlet holes 10 correspond to those of the air guide cover 7.
In a preferred embodiment, the front and rear inner walls of the threshing box 1 are fixedly connected with arc-shaped wind shielding shells 11, the positions of the arc-shaped wind shielding shells 11 correspond to the strip-shaped wind outlet holes 10, the bottom of the threshing box 1 is of a circular arc-shaped structure, two screening holes 12 which are mutually symmetrical in position are formed in the circular arc-shaped surface of the threshing box 1, the inner walls of the screening holes 12 are fixedly connected with screening screens 13, and the screening screens 13 are used for screening and filtering shelled rapeseed grains.
It is worth to say that, in threshing process, simultaneously utilize air pump 8 to carry air to threshing box 1 inside, utilize high-speed air to blow the rapeseed after threshing downwards to screening hole 12 positions to utilize the screen cloth net in the screening hole 12 to carry out edulcoration filtration to the rapeseed, and then conveniently collect the rapeseed after screening edulcoration, realize the high-efficient screening and the collection of rapeseed.
The bottom of the threshing box 1 is provided with a waste discharge hole 19, the inner wall of the waste discharge hole 19 is fixedly provided with a bottom cover 20, and two sides of the bottom cover 20 are fixedly arranged at the bottom of the threshing box 1 through bolts.
Through the technical scheme, the front surface and the rear surface of the threshing box 1 are fixedly connected with the air inlet shell 14, the position of the air inlet shell 14 corresponds to the screening hole 12, the discharging hole 15 is formed in the lower surface of the air inlet shell 14, the input end of the air pump 8 is fixedly connected with the air inlet pipe 18, and one end, far away from the air pump 8, of the air inlet pipe 18 extends to the inside of the air inlet shell 14.
Through the technical scheme, four support columns are fixedly connected to the bottom of the threshing box 1, two support bottom plates 16 are fixedly connected to the surfaces of the support columns, a receiving box 17 is placed on the upper surface of each support bottom plate 16, the position of each receiving box 17 corresponds to the air inlet shell 14, and the receiving box 17 is located under the corresponding discharging hole 15.
It is worth noting that, through being provided with two arc-shaped wind shielding shells 11 that are symmetrical each other at the top of threshing box 1, can utilize arc-shaped wind shielding shell 11 to import air pump 8 to air downwardly water conservancy diversion to effectively avoid the rape seed to splash at threshing in-process external threshing box 1, through setting up air inlet shell 14 and intake pipe 18, can utilize air pump 8 to breathe in to air inlet shell 14, thereby be convenient for inhale the rape seed of threshing box 1 bottom into the receipts magazine 17 of air inlet shell 14 bottom, realize the effect that makes things convenient for the ejection of compact to collect.
When the threshing box is used, firstly, rape is placed into a feed inlet 6 of the threshing box 1, then a driving motor 24 is utilized to drive a driving shaft lever 2 to rotate, further, two limiting installation plates 3 and a cutter installation frame 4 are driven to rotate, a plurality of blades 5 on the surface of the cutter installation frame 4 are driven to carry out threshing operation on the rape, meanwhile, an air pump 8 is utilized to input air into a wind scooper 7, the air is utilized to input the air into the threshing box 1 from a strip-shaped air outlet 10, an arc-shaped wind scooper 11 is utilized to guide the air downwards, an air pump 8 is utilized to suck air into a screening hole 12, and then the rape seeds are fed into a receiving box 17 at the bottom of an air inlet shell 14 from the screening hole 12, impurities of rape branches and leaves are blocked on the surface of a screening net 13, after threshing is completed, a worker can open a bottom cover 20 at the bottom of the threshing box 1, and the impurity waste is discharged and cleaned from a waste discharging hole 19.
The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the utility model concept are equivalent to or changed in accordance with the utility model, and the utility model is covered in the protection scope of the utility model.
Claims (7)
1. The vegetable oil seed threshing device comprises a threshing box (1), and is characterized in that a driving shaft lever (2) is rotatably arranged between the left inner wall and the right inner wall of the threshing box (1), two limit mounting plates (3) which are mutually symmetrical in position are fixedly connected to the surface of the driving shaft lever (2), four cutter mounting frames (4) are fixedly connected between the two limit mounting plates (3), a plurality of blades (5) are fixedly arranged on the surface of the cutter mounting frames (4), and a feed inlet (6) is formed in the upper surface of the threshing box (1);
The threshing box is characterized in that the front surface and the rear surface of the threshing box (1) are fixedly connected with an air guide cover (7) and an air pump (8), the output end of the air pump (8) is fixedly connected with an air guide pipe (9), one end, far away from the air pump (8), of the air guide pipe (9) extends to the inside of the air guide cover (7), strip-shaped air outlet holes (10) are formed in the front inner wall and the rear inner wall of the threshing box (1), and the positions of the strip-shaped air outlet holes (10) correspond to the air guide cover (7);
The threshing box is characterized in that arc-shaped wind shielding shells (11) are fixedly connected to the front inner wall and the rear inner wall of the threshing box (1), the positions of the arc-shaped wind shielding shells (11) correspond to the strip-shaped wind outlet holes (10), the bottom of the threshing box (1) is of an arc-shaped structure, two screening holes (12) with mutually symmetrical positions are formed in the arc-shaped surface of the threshing box (1), a screening screen (13) is fixedly connected to the inner wall of the screening holes (12), and the screening screen (13) is used for screening and filtering shelled rapeseed grains;
The threshing box is characterized in that the front surface and the rear surface of the threshing box (1) are fixedly connected with air inlet shells (14), the positions of the air inlet shells (14) correspond to the screening holes (12), and discharge holes (15) are formed in the lower surface of the air inlet shells (14).
2. The vegetable oil seed threshing device according to claim 1, characterized in that four support columns are fixedly connected to the bottom of the threshing box (1), two support bottom plates (16) are fixedly connected to the surfaces of the support columns, a receiving box (17) is placed on the upper surface of each support bottom plate (16), the position of each receiving box (17) corresponds to an air inlet shell (14), and the receiving box (17) is located under a discharge hole (15).
3. A rapeseed oil threshing device according to claim 1, characterized in that the input end of the air pump (8) is fixedly connected with an air inlet pipe (18), and the end of the air inlet pipe (18) away from the air pump (8) extends into the air inlet shell (14).
4. The vegetable oil seed threshing device according to claim 1, characterized in that a waste discharge hole (19) is formed in the bottom end of the threshing box (1), a bottom cover (20) is fixedly arranged on the inner wall of the waste discharge hole (19), and two sides of the bottom cover (20) are fixedly arranged at the bottom of the threshing box (1) through bolts.
5. The vegetable oil seed threshing device according to claim 1, characterized in that the surface of the cutter mounting frame (4) is fixedly connected with a plurality of mounting bars (21), a plurality of bolt mounting holes (22) are formed in the surface of the mounting bars (21), and the blades (5) are fixedly mounted on the surface of the mounting bars (21) through fixing bolts.
6. A rapeseed oil threshing device according to claim 1, characterized in that the side of the threshing box (1) is fixedly provided with a driving box (23), the surface of the driving box (23) is fixedly provided with a driving motor (24), and the output shaft of the driving motor (24) extends to the inside of the driving box (23) and is fixedly connected with a driving belt pulley (25).
7. A rapeseed oil threshing device according to claim 6, characterized in that one end of the driving shaft lever (2) extends to the inside of the driving box (23) and is fixedly connected with a driven pulley (26), a transmission belt (27) is sleeved between the driving pulley (25) and the driven pulley (26), and the driving shaft lever (2) is driven to rotate by the driving motor (24) through the driving pulley (25), the driven pulley (26) and the transmission belt (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422455945.4U CN223298111U (en) | 2024-10-11 | 2024-10-11 | Rape oil seed thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422455945.4U CN223298111U (en) | 2024-10-11 | 2024-10-11 | Rape oil seed thresher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223298111U true CN223298111U (en) | 2025-09-05 |
Family
ID=96907711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422455945.4U Active CN223298111U (en) | 2024-10-11 | 2024-10-11 | Rape oil seed thresher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223298111U (en) |
-
2024
- 2024-10-11 CN CN202422455945.4U patent/CN223298111U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111701857A (en) | A dust collector for grain | |
| CN110899117A (en) | Grain edulcoration device for agricultural production | |
| CN223298111U (en) | Rape oil seed thresher | |
| CN110773423B (en) | A rapeseed cleaning and screening machine | |
| CN221488400U (en) | Thresher with screening function | |
| CN220781295U (en) | A screening machine for dwarf rapeseed seeds | |
| CN112275630A (en) | A dust collector for grain sieve separator | |
| CN214338748U (en) | Remove high-efficient corn thresher of palpus type | |
| CN214440946U (en) | Grain husk staggered separation and recovery device based on wind feeding | |
| CN212786701U (en) | Corn thresher | |
| CN213377785U (en) | A device for screening of agricultural seed | |
| CN222842559U (en) | Seed selection device of agricultural seeding machinery | |
| CN219780964U (en) | A seed collection device for pasture processing | |
| CN219581046U (en) | Feed processing preprocessing device | |
| CN218982234U (en) | A high-efficiency screening device for agricultural rapeseed | |
| CN221082083U (en) | Multifunctional threshing machine | |
| CN220879585U (en) | Impurity and stone removing machine for grain processing | |
| CN221082084U (en) | Impurity removing mechanism for corn threshing | |
| CN221334344U (en) | Rice threshing machine dust collector | |
| CN219146183U (en) | A kind of oregano seed threshing and cleaning collection device | |
| CN221602490U (en) | Cereal edulcoration stoving all-in-one | |
| CN221361215U (en) | Novel high-efficient seed screening device | |
| CN220215754U (en) | Stone removing cleaner | |
| CN222639157U (en) | Threshing equipment for agricultural production | |
| CN220557334U (en) | Shelling device for hazelnuts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |