CN211630814U - Rice and fertilizer dual-purpose sowing quantity adjusting device - Google Patents
Rice and fertilizer dual-purpose sowing quantity adjusting device Download PDFInfo
- Publication number
- CN211630814U CN211630814U CN202020191822.3U CN202020191822U CN211630814U CN 211630814 U CN211630814 U CN 211630814U CN 202020191822 U CN202020191822 U CN 202020191822U CN 211630814 U CN211630814 U CN 211630814U
- Authority
- CN
- China
- Prior art keywords
- rice
- adjusting
- hole
- fertilizer
- material collecting
- 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
Images
Landscapes
- Sowing (AREA)
Abstract
The utility model relates to a fertile device of broadcasting of rice, especially a fertile equal usable volume adjusting device that broadcasts of rice belongs to the agricultural machine field. A dual-purpose type seeding rate adjusting device for rice and fertilizer is arranged between a feed box and a flange of a swing pipe type seed broadcaster, and the mechanism comprises a material collecting mechanism, an adjusting mechanism, an auxiliary mechanism, a ratchet pull wire and a rate control mechanism; the material collecting mechanism comprises a connecting part, a feeding hole and a discharging hole; the adjusting mechanism is arranged below the material collecting mechanism; the bottom of the auxiliary mechanism is fixedly connected with the flange; the end part of the ratchet wheel stay wire is fixedly connected with the connecting end of the adjusting mechanism; the bottom of the quantity control mechanism is fixed on the flange, and the rice fertilizer sowing quantity is adjusted by adjusting the opening of the adjusting mechanism and the vertical displacement of the quantity control mechanism. The utility model has the advantages that: 1. adjusting the seeding quantity in real time; 2. stepless adjustment can be realized; 3. the material can be effectively prevented from being hardened and blocked; 4. the bud injury rate of the seeding rate adjusting device is reduced, and the device is suitable for adjusting the seeding rate of rice bud seeds and chemical fertilizers.
Description
Technical Field
The utility model relates to a fertile device of broadcasting of rice, especially a fertile equal usable volume adjusting device that broadcasts of rice belongs to the agricultural machine field.
Background
The direct seeding of rice is one of the ways of directly seeding the rice bud seeds with white-exposed chest-broken seeds in the field for rice planting, and has the advantages of time saving, labor saving and seedling field saving compared with transplanting and seedling throwing. In recent years, with the improvement of farmland plant protection technology, the rice direct seeding technology is rapidly developed, particularly in double cropping rice areas, the labor load of farmers is reduced, and the rice direct seeding technology is widely accepted by the farmers.
At present, the direct seeding mode of rice includes 3 kinds of mechanical hole direct seeding, mechanical drill seeding and manual broadcasting. Production practices show that the seed quantity for sowing of rice buds is increased under the same production management conditions, and the sowing yield is equal to or higher than that of hole direct sowing and drill sowing. Because of the immaturity of the spreading mechanization technology, the fertilizer spreader is used for replacing the rice seeds, but because the rice seeds are tender and weak and have poor fluidity, a gate type spreading amount adjusting mechanism of the fertilizer spreader is easy to have the phenomenon that the seeds are seriously rolled and damaged or blocked by a stirrer during operation, the adaptability to the rice seeds is poor, and the rice spreading efficiency is difficult to greatly improve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide a simple structure, convenient operation, it is little to the injury of rice bud kind, has simultaneously and prevents stifled function, can adapt to the rice bud kind and the fertile dual-purpose type adjusting device of volume of broadcasting of the volume of broadcasting of chemical fertilizer regulation simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a dual-purpose type seeding rate adjusting device for rice and fertilizer is arranged between a feed box and a flange of a swing pipe type seed broadcaster, and the mechanism comprises a material collecting mechanism, an adjusting mechanism, an auxiliary mechanism, a ratchet pull wire and a rate control mechanism; the material collecting mechanism comprises a connecting part, a feeding hole and a discharging hole, the connecting part is fixedly connected with the bottom of the material box, the feeding hole is communicated with the material box and used for receiving rice fertilizer in the material box, and the discharging hole is communicated with the feeding hole and axially extends along the length direction; the adjusting mechanism is arranged below the material collecting mechanism and comprises an opening for accommodating a material outlet of the material collecting mechanism to penetrate through and a connecting end arranged outside the opening, the length of the opening extends along the axial direction of the opening, and the connecting end is movably connected with the material collecting mechanism through a guide rod; the bottom of the auxiliary mechanism is fixedly connected with the flange, the top of the auxiliary mechanism is provided with an opening opposite to the opening of the material collecting mechanism, and the side surface of the bottom of the auxiliary mechanism is provided with a discharge hole which is used as a rice fertilizer spreading outlet; the end part of the ratchet stay wire is fixedly connected with the connecting end of the adjusting mechanism, and the adjusting mechanism is driven to move up and down by changing the length of the stay wire; the bottom of the quantity control mechanism is fixed on the flange and is positioned in the auxiliary mechanism, the upper part of the quantity control mechanism is inserted into the opening of the adjusting mechanism, and the rice fertilizer sowing quantity is adjusted by adjusting the vertical displacement of the opening of the adjusting mechanism and the quantity control mechanism.
Further, still include guiding mechanism, guiding mechanism is the U type, and its one side is connected fixedly with the connecting portion of mechanism that gathers materials, is provided with on the opposite side and holds the through-hole a that the guide arm passed and hold the through-hole b that the ratchet acted as go-between passed, and the cover is equipped with the spring on the guide arm, and the both ends of spring lean on with the connecting portion of mechanism that gathers materials and adjustment mechanism's link respectively and lean on.
Preferably, the auxiliary mechanism is fixedly connected with a baffle cover, and the center of the top of the baffle cover is sleeved outside the opening of the adjusting mechanism.
Preferably, the upper section of the quantity control mechanism is conical, and the size of the bottom of the conical is larger than the inner diameter of the opening of the regulating mechanism.
Furthermore, the included angle between the conical generatrix and the axial line is 20-30 degrees.
Preferably, the bottom surface of the discharge hole of the material collecting mechanism is flush with the top surface of the quantity control mechanism during installation.
Preferably, the inner diameter of the discharge hole of the material collecting mechanism is between 70mm and 90 mm.
Furthermore, the material box seeding machine further comprises a material box bearing plate, the material box bearing plate is fixed on the swing pipe type seeding machine, and the connecting part of the material collecting mechanism is fixedly connected with the material box bearing plate.
Preferably, a through hole is formed in the material box bearing plate, a guide pipe is fixed at the lower end of the through hole, the guide rod sequentially penetrates through the through hole, the guide pipe, the guide mechanism and the adjusting mechanism, and the top end of the guide rod is clamped in the through hole.
The principle is as follows: the collecting mechanism is fixed on the material box bearing plate through a bolt, the guide rod penetrates through the material box bearing plate, the guide pipe and the adjusting mechanism and keeps the vertical direction unchanged through the guide pipe, the compression spring is guided to stretch and retract between the material box bearing plate and the adjusting mechanism through the guide rod, the split ratchet pull wire is guided by the guide mechanism and is combined with the compression spring to drive the adjusting mechanism to move up and down, and the annular gap between the opening of the adjusting mechanism and the quantity control mechanism is changed by adjusting the length of the pull wire, so that the purpose of stepless adjustment of the fertilizer and the rice sowing quantity is achieved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the seeding rate can be adjusted in real time in the cab through the combination of the ratchet pull wire and the compression spring;
2. the annular gap between the adjusting mechanism and the quantity control mechanism can be adjusted steplessly;
3. the quantity control mechanism rotates under the driving of the flange to play a role of continuous stirring, and can effectively prevent materials from being hardened and blocked;
4. because the unique smooth toper structure of accuse volume mechanism can make the rice bud kind smoothly pass through between the annular gap that accuse volume mechanism and adjustment mechanism formed and not grind the destruction to the rice seed, reduces the bud injury rate of broadcast volume adjusting device, adapts to the broadcast volume of rice bud kind and chemical fertilizer simultaneously and adjusts.
Drawings
Fig. 1 is an isometric view of an embodiment of the present invention;
fig. 2 is a half sectional view of an embodiment of the present invention;
fig. 3 is an isometric view of an aggregate component according to an embodiment of the present invention;
FIG. 4 is an isometric view of a load bearing plate of a bin according to an embodiment of the present invention;
FIG. 5 is an isometric view of a guide bar according to an embodiment of the present invention;
fig. 6 is an isometric view of an auxiliary hopper according to an embodiment of the present invention;
figure 7 is an isometric view of an adjustment member according to an embodiment of the present invention;
fig. 8 is an isometric view of a wire guide plate according to an embodiment of the present invention;
fig. 9 is an isometric view of a tapered material controller according to an embodiment of the present invention;
fig. 10 is a side view of the embodiment of the present invention installed on a swing pipe type seed broadcaster.
In FIGS. 1-2, 1, aggregate component; 2. a bin bearing plate; 3. a guide bar; 4. a compression spring; 5. a shield; 6. an auxiliary hopper; 7. an adjustment member; 8. a wire pulling guide plate; 9. a ratchet wheel stay wire; 10. a conical volume control;
in FIG. 3, 1-1, the hanging lug; 1-2, a conical material collecting barrel; 1-3, fixing a round pipe;
in FIG. 4, 2-1, through hole; 2-2, a conduit;
in FIG. 5, 3-1, the cylinder head; 3-2, long hollow tube;
FIG. 6, 6-1, the engaging lug; 6-2, a discharge hole;
in FIG. 7, 7-1, the adjustment tab; 7-1-1, a guide rod hole; 7-1-2, a stay wire fixing hole; 7-1-4, flanging; 7-2, adjusting the round pipe;
in FIG. 8, 8-1, a semicircular hole; 8-2, drawing wire guide holes;
in FIG. 9, 10-1, the conical body; 10-2, a cylindrical rod; 12-3, a circular flange; 12-4, bolt holes;
in fig. 10, 12, a swing pipe type seed broadcaster; 12-1, a bin; 12-2 and a flange.
Detailed Description
The technical solution of the present invention will be further explained with reference to fig. 1-10. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 to 10, the utility model provides a dual-purpose rice and fertilizer sowing quantity adjusting device, which is installed between a bin 12-1 and a flange 12-2 of a swing pipe type seed broadcaster 12 and comprises a material collecting component 1, a bin bearing plate 2, a guide rod 3, a compression spring 4, a baffle cover 5, an auxiliary hopper 6, an adjusting component 7, a stay wire guide plate 8, a ratchet stay wire 9 and a conical volume controller 10; wherein the aggregate component 1 is arranged on the material box bearing plate 2 through a bolt, the material box bearing plate 2 is fixed on the swing pipe type broadcast seeder 12, a conduit 2-2 and a stay wire guide plate 8 are fixed on the material box bearing plate 2, the adjusting component 7 is arranged under the aggregate component 1, the conical volume controller 10 is fixed on a flange 12-2 through a bolt to rotate along with the flange and is arranged under the adjusting component 7, the guide rod 3 passes through the conduit 2-2, the stay wire guide plate 8 and the adjusting component 7, the compression spring 4 is sleeved on the guide rod 3, the ratchet stay wire 9 is divided into two parts which respectively pass through a stay wire guide hole 8-2 on the stay wire guide plate 8 and a stay wire fixing hole 7-1-2 on the adjusting component 7 and is fixed on the adjusting component 7 through a bolt, the baffle cover 5 is sleeved outside the adjusting component 7, the auxiliary hopper 6 is fixed on the flange 12-2, the baffle cover 5 and the auxiliary hopper 6 are connected together through bolts, and the adjusting part 7 can be driven to move up and down by rotating the handle of the ratchet wheel pull wire 9 to change the length of the pull wire, so that the annular gap between the adjusting part 7 and the conical volume controller 10 is changed, and the purpose of changing the volume of broadcast is achieved.
As shown in figure 1, the compression spring 4 is always in a compressed state, the upper end of the compression spring is propped against the material box bearing plate 2, and the lower end of the compression spring is propped against the adjusting component 7.
As shown in FIG. 3, the material collecting component 1 has two symmetrically arranged hanging lugs 1-1, a conical material collecting barrel 1-2 and a fixing circular tube 1-3, and the inner diameter of the fixing circular tube 1-3 is between 70mm and 90 mm; when the device is installed, the bottom surfaces of the fixed round pipes 1-3 are flush with the top surface of the conical volume control device 10.
As shown in figure 4, a through hole 2-1 is formed on the box bearing plate 2, and the through hole 2-1 and the conduit 2-2 are concentrically welded.
As shown in fig. 5, the guide rod 3 has a cylindrical head 3-1 and a long hollow tube 3-2, the cylindrical head 3-1 is arranged in the through hole 2-1, the cylindrical head 3-1 is covered by the hanging lug 1-1 in normal operation, and the guide rod 3 is a movable shaft and can be removed for storage separately in transportation.
As shown in fig. 6, the auxiliary hopper 6 is in an inverted cone shape as a whole, and has two symmetrically distributed connection lugs 6-1 and a discharge hole 6-2; the bolt penetrates through the connecting lug 6-1 to be fixedly connected with the blocking cover 5, and the discharge hole is used for spreading rice fertilizer.
As shown in FIG. 7, the adjusting component 7 has an adjusting pulling plate 7-1 and an adjustable round tube 7-2, the adjusting pulling plate 7-1 has two symmetrical guide rod holes 7-1-1, a pull wire fixing hole 7-1-2 and four flanges 7-1-3, and the adjustable round tube 7-2 is sleeved outside the fixing round tube 1-3.
As shown in figure 8, the wire drawing guide plate 8 is integrally in a U-shaped structure and is provided with a semicircular hole 8-1 and a wire drawing guide hole 8-2, and the wire drawing guide hole 8-2 is positioned right above the wire drawing fixing hole 7-1-2.
As shown in fig. 9, the tapered volume control device comprises a conical main body 10-1, a cylindrical rod 10-2, a connecting flange 10-3 and three bolt holes uniformly distributed on the connecting flange 10-3, wherein the major diameter of the conical main body 10-1 is larger than the inner diameter of an adjustable circular pipe, and the included angle between a bus and an axis is 20-30 degrees.
The utility model discloses in, the dual-purpose type volume of broadcasting adjustment mechanism is installed on swing pipe formula broadcast seeder for rice fertilizer, the part that gathers materials passes through the bolt fastening on the workbin bearing plate, the guide arm passes workbin bearing plate, pipe and adjusting part to keep vertical orientation unchangeable through the pipe, compression spring overlaps on the guide arm, the ring on the pipe is pressed to one end, the other end is pressed on adjusting the arm-tie, adjusting part's regulation pipe cover is in the outside of fixed pipe, toper accuse glassware cover is inboard at the regulation pipe, the ratchet of dividing into two is acted as go-between and is driven adjusting part through acting as go-between deflector direction and compression spring combination, just can change the annular gap between regulation pipe and the toper accuse glassware through adjusting the length of acting as go-between, reach the purpose of electrodeless regulation chemical fertilizer and rice volume of broadcasting.
The utility model discloses a concrete working process is: when the seeding amount is zero, the compression spring presses the adjusting part downwards by using elasticity, so that the adjusting circular tube is completely pressed on the conical volume controller, and the annular gap between the adjusting circular tube and the conical volume controller is zero; when needs increase volume of broadcasting, only need to rotate the handle that the ratchet was acted as go-between and will act as go-between and shorten, because act as go-between guiding hole directly over the fixed orifices of acting as go-between, and adjustment mechanism is whole to be symmetrical structure, so act as go-between and drive adjusting part along the vertical rebound of fixed pipe, prevented to adjust the pipe slope and the dead phenomenon of card takes place, adjust the annular gap grow between pipe and the toper volume controller this moment, the volume of broadcasting of material changes correspondingly. When the seeding amount needs to be reduced, the pull wire is lengthened by rotating the ratchet pull wire handle, the compression spring drives the adjusting part to move downwards, the annular gap between the adjusting circular tube and the conical volume controller is reduced, and the material seeding amount is correspondingly reduced.
The above embodiments are provided to illustrate the technical solutions of the present invention and not to limit the same, and those skilled in the art should understand that any modification, equivalent replacement or improvement made to the technical solutions of the present invention within the spirit and principle of the present invention, such as changing the size of the tapered volume controller, the diameter of the fixed circular tube, the shape of the stay wire guide plate, etc., are all included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a dual-purpose type volume adjusting device that broadcasts of rice fertilizer installs between pendulum pipe formula broadcast sower's workbin and flange, its characterized in that: the mechanism comprises a material collecting mechanism, an adjusting mechanism, an auxiliary mechanism, a ratchet pull wire and a quantity control mechanism; the material collecting mechanism comprises a connecting part, a feeding hole and a discharging hole, the connecting part is fixedly connected with the bottom of the material box, the feeding hole is communicated with the material box and used for receiving rice fertilizer in the material box, and the discharging hole is communicated with the feeding hole and axially extends along the length direction; the adjusting mechanism is arranged below the material collecting mechanism and comprises an opening for accommodating a material outlet of the material collecting mechanism to penetrate through and a connecting end arranged outside the opening, the length of the opening extends along the axial direction of the opening, and the connecting end is movably connected with the material collecting mechanism through a guide rod; the bottom of the auxiliary mechanism is fixedly connected with the flange, the top of the auxiliary mechanism is provided with an opening opposite to the opening of the material collecting mechanism, and the side surface of the bottom of the auxiliary mechanism is provided with a discharge hole which is used as a rice fertilizer spreading outlet; the end part of the ratchet stay wire is fixedly connected with the connecting end of the adjusting mechanism, and the adjusting mechanism is driven to move up and down by changing the length of the stay wire; the bottom of the quantity control mechanism is fixed on the flange and is positioned in the auxiliary mechanism, the upper part of the quantity control mechanism is inserted into the opening of the adjusting mechanism, and the rice fertilizer sowing quantity is adjusted by adjusting the vertical displacement of the opening of the adjusting mechanism and the quantity control mechanism.
2. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1, characterized in that: still include guiding mechanism, guiding mechanism is the U type, and its one side is connected fixedly with the connecting portion of mechanism that gathers materials, is provided with on the opposite side and holds the through-hole an that the guide arm passed and hold the through-hole b that the ratchet acted as go-between passed, and the cover is equipped with the spring on the guide arm, and the both ends of spring lean on with the connecting portion of mechanism that gathers materials and adjustment mechanism's link respectively and lean on.
3. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1, characterized in that: the auxiliary mechanism is fixedly connected with a blocking cover, and the center of the top of the blocking cover is sleeved outside the opening of the adjusting mechanism.
4. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1, characterized in that: the cross section of the upper part of the quantity control mechanism is conical, and the size of the bottom of the conical part is larger than the inner diameter of the opening of the regulating mechanism.
5. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 4, wherein: the included angle between the conical generatrix and the axial line is 20-30 degrees.
6. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1 or 4, characterized in that: the bottom surface of the discharge hole of the material collecting mechanism is flush with the top surface of the quantity control mechanism during installation.
7. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1, characterized in that: the inner diameter of the discharge hole of the material collecting mechanism is between 70mm and 90 mm.
8. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 1, characterized in that: the automatic material collecting device is characterized by further comprising a material box bearing plate, wherein the material box bearing plate is fixed on the swing pipe type seed broadcaster, and the connecting part of the material collecting mechanism is fixedly connected with the material box bearing plate.
9. The rice and fertilizer dual-purpose type seeding amount adjusting device according to claim 8, wherein: the feed box is characterized in that a through hole is formed in the feed box bearing plate, a guide pipe is fixed at the lower end of the through hole, the guide rod sequentially penetrates through the through hole, the guide pipe, the guide mechanism and the adjusting mechanism, and the top end of the guide rod is clamped in the through hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020191822.3U CN211630814U (en) | 2020-02-21 | 2020-02-21 | Rice and fertilizer dual-purpose sowing quantity adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020191822.3U CN211630814U (en) | 2020-02-21 | 2020-02-21 | Rice and fertilizer dual-purpose sowing quantity adjusting device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211630814U true CN211630814U (en) | 2020-10-09 |
Family
ID=72685192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020191822.3U Active CN211630814U (en) | 2020-02-21 | 2020-02-21 | Rice and fertilizer dual-purpose sowing quantity adjusting device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211630814U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111052915A (en) * | 2020-02-21 | 2020-04-24 | 江西农业大学 | Rice and fertilizer dual-purpose sowing quantity adjusting device |
CN113079768A (en) * | 2021-05-13 | 2021-07-09 | 山东理工大学 | Broadcast sowing type mangrove hypocotyl sowing unmanned aerial vehicle |
-
2020
- 2020-02-21 CN CN202020191822.3U patent/CN211630814U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111052915A (en) * | 2020-02-21 | 2020-04-24 | 江西农业大学 | Rice and fertilizer dual-purpose sowing quantity adjusting device |
CN113079768A (en) * | 2021-05-13 | 2021-07-09 | 山东理工大学 | Broadcast sowing type mangrove hypocotyl sowing unmanned aerial vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211630814U (en) | Rice and fertilizer dual-purpose sowing quantity adjusting device | |
CN208285815U (en) | A kind of agricultural fertilizer apparatus | |
CN104798507A (en) | Air-assisted rice broadcast sower | |
CN111165105A (en) | Integrative device of seeding fertilization loosens soil | |
CN204616331U (en) | Wind spraying aid type rice seed broadcaster | |
CN109566017A (en) | A kind of clover pneumatic transmission formula collection row device | |
CN111052915A (en) | Rice and fertilizer dual-purpose sowing quantity adjusting device | |
CN106941827A (en) | A kind of quantitative implanted device with fertilizing functions | |
CN218218291U (en) | Fertilizer applying device | |
CN101366332B (en) | Multifunctional quantitatively positioning planting and fertilizing machine | |
CN203181537U (en) | Honeycomb-type seed distributor for plot breeding seeding machine | |
CN219719083U (en) | Anti-caking agricultural planting fertilizer distributor | |
CN211880978U (en) | Cultivation equipment for potato planting | |
CN207560695U (en) | A kind of planting machine for being laid with kind of film | |
CN220630077U (en) | Distance-adjusting type fertilization assembly | |
CN201069903Y (en) | Multifunctional quantitatively positioning planting and fertilizing machine | |
CN218456714U (en) | Automatic hill-drop sowing fertilizer applicator | |
CN218570850U (en) | Novel maize is planted and is used fertilization device | |
CN216392062U (en) | Wheat intelligent regulation broadcasts seed manure and broadcasts all-in-one simultaneously | |
CN216253921U (en) | Agricultural machine fertilizer injection unit | |
CN117918074B (en) | No-tillage precision fertilizing and seeding machine | |
CN112715102B (en) | Deep scarification and layering seed and fertilizer simultaneous sowing device and seed and fertilizer simultaneous sowing all-in-one machine | |
CN216775460U (en) | Full-coverage layered fertilizing and seeding machine | |
CN214070609U (en) | Cotton planter capable of simultaneously sowing and fertilizing | |
CN220858885U (en) | Precise hill planter for seedling raising tray |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |