CN219660415U - Rotary cutting and collecting device of tea harvester - Google Patents
Rotary cutting and collecting device of tea harvester Download PDFInfo
- Publication number
- CN219660415U CN219660415U CN202221818415.6U CN202221818415U CN219660415U CN 219660415 U CN219660415 U CN 219660415U CN 202221818415 U CN202221818415 U CN 202221818415U CN 219660415 U CN219660415 U CN 219660415U
- Authority
- CN
- China
- Prior art keywords
- tea
- holes
- rotary
- cutting
- plate
- 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
- 241001122767 Theaceae Species 0.000 title claims abstract description 115
- 238000005520 cutting process Methods 0.000 title claims abstract description 74
- 238000011084 recovery Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 description 13
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 12
- 240000003553 Leptospermum scoparium Species 0.000 description 12
- 235000015459 Lycium barbarum Nutrition 0.000 description 12
- 238000010008 shearing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Harvesting Machines For Specific Crops (AREA)
Abstract
The utility model belongs to the technical field of harvesting and mowing in agriculture or forestry, and particularly relates to a rotary cutting and collecting device of a tea harvester, which comprises a cutting assembly, wherein a plurality of rotary cutters are arranged at intervals along the length direction; the tea collecting groove is arranged adjacent to the cutting assembly; the tea collecting tank is provided with a plurality of tea recovery holes, the tea recovery holes are connected with the control assembly, the control assembly comprises a diversion bin, the diversion bin comprises a side wall, a sealing plate at one end of the side wall, and a sealing cover at the other end of the side wall, wherein the sealing plate is provided with a total recovery port; the sealing plate is provided with through holes with the number corresponding to that of the tea recovery holes, the through holes are uniformly distributed in the circumferential direction, and the tea recovery holes are respectively connected with the through holes through pipelines; the motor is connected to the shrouding outside, and the output shaft of motor passes the shrouding and links to each other with pasting in the inboard flow distribution plate synchronous rotation of shrouding, and the flow distribution plate covers all through-holes and runs through on the flow distribution plate and has offered the flow distribution hole. The device can cut and collect tea leaves efficiently.
Description
Technical Field
The utility model belongs to the technical field of harvesting and mowing in agriculture or forestry, and particularly relates to a rotary cutting and collecting device of a tea harvester.
Background
Tea trees producing tea grow on mountains, slope surfaces are shaped into rows of ridges on hillsides, tea trees 500 are planted on the ridges 600 in rows, the cross section of each row can be seen in fig. 5, tea farmers shape the tea canopy 501 in autumn, and fresh tea leaves of two buds, one leaf, one bud and one leaf and tender leaf are harvested when the tea leaves germinate in spring.
When tea farmers pick tea, the traditional mode is manual picking, but the time and effort are wasted, and the cost is high. In order to reduce picking cost, mechanical operation is started, manual operation cutting and picking are performed by adopting a tool such as a reciprocating cutter disclosed by CN208300303U, in order to reduce the operation difficulty of the cutter, a cutter rest and the cutter are correspondingly designed into an arc form of a tea tree canopy 501, and the cutter is directly pushed along the length direction to cut and pick when in use, in the two modes, special persons are required to charge tea leaves which fall off in cutting into storage bags, in particular, the storage bags are moved along with cutting equipment, the bag opening faces to a cutting knife edge, air blowing is kept in the bag opening facing to the cutting knife edge and the rear of the cutting knife edge through a blower, and cut and fallen fresh tea leaves are collected into the storage bags, but the fresh tea leaves are generally light in weight and large in area, and are easy to stack and have mutual friction to influence on fluidity, so the power of the blower is generally large, and the operation comfort of operators and cutting staff is greatly influenced. There are also tea leaf harvesters using special machines for picking tea, such as those disclosed in CN212851840U, which use fans with smaller power to form negative pressure in the collecting box to collect tea leaves which are collected on the top plate and slide obliquely, but the negative pressure formed by the fans with reduced power is difficult to form acting force on fresh tea leaves collected in an open collecting form, and the stacked fresh tea leaves have poor flowability, so that the effect of collecting the tea leaves into the box is affected, and the quality of the fresh tea leaves is possibly affected. In addition, the common cutting knife adopts a form of a reciprocating saw-tooth cutting blade, the tooth depth is smaller, the cutting range is limited, and the cutting position is far from the rear collecting position, so that the improvement and the optimization are needed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the rotary cutting and collecting device of the tea harvester, so as to solve the problems that the operation of collecting cut tea leaves into a box is inconvenient and the collecting effect is poor in the current tea picking process.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the rotary cutting and collecting device of the tea harvester comprises a cutting assembly, wherein the cutting assembly comprises a plurality of rotary cutters which are arranged at intervals along the length direction, and one ends of the rotary cutters are synchronously and rotatably connected to a driving shaft so as to cut tea through free ends of the rotary cutters when rotating along with the driving shaft; the tea collecting groove is arranged adjacent to the cutting assembly in the length direction and is used for receiving tea leaves cut by the cutting assembly;
the wall of the tea collecting tank is provided with a plurality of tea recovery holes at intervals along the length direction of the wall, the tea recovery holes are connected with a sectional recovery control assembly, the sectional recovery control assembly comprises a diversion bin, the diversion bin comprises a circle of side wall and a sealing plate which is connected with one end of the side wall in a sealing way, and the other end of the side wall is connected with a sealing cover with a total recovery port in a sealing way so as to be connected with a negative pressure storage box; the sealing plate is provided with through holes with the number corresponding to that of the tea recovery holes, the through holes are circumferentially arranged at intervals on the sealing plate, and the tea recovery holes are connected with the through holes one by one through pipelines; the outside of shrouding is connected with the gyrator, gyrator's output shaft passes the shrouding and links to each other with pasting in the inboard flow distribution plate synchronous rotation of shrouding, the flow distribution plate covers all through-holes and runs through on the flow distribution plate and has seted up a branch flow hole that corresponds with arbitrary through-hole.
The technical scheme is further improved, the plurality of rotary cutters are arranged in the cutter seat, a driving motor for driving each rotary cutter is arranged in the cutter seat, the output end of the driving motor is in transmission connection with the driving shaft, the rotation tracks of the rotary cutters are positioned on the same plane, the cutter seat is provided with a yielding groove for yielding the rotation of the rotary cutters, and the free ends of the rotary cutters extend out of the yielding groove; the cutter seat is connected to the base body seat, and one end of the base body seat in the length direction is provided with a rotation extension part and is rotationally connected with the rotation base through the rotation extension part.
Further, the base body seat comprises a bottom plate and a front end plate and a rear end plate which are vertically protruded at two ends of the bottom plate, the rotation extension part is arranged on the outer side of the rear end plate, the cutter seat is arranged between the front end plate and the rear end plate, one surface, opposite to the abdicating groove, of the cutter seat is connected to the bottom plate, and two sides of the bottom plate are respectively protruded with a guard plate and enclose the cutter seat between the guard plates.
Further, the cross section of tealeaves collecting vat is U-shaped and length direction's both ends are sealed, and the tealeaves recovery hole runs through to be seted up in the diapire of tealeaves collecting vat, and tealeaves collecting vat passes through the lateral wall and links to each other with cutting blade holder or base member seat.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the rotary cutting and collecting device of the tea harvester, compared with the traditional form of the reciprocating serrated cutting blade, the rotary cutting and collecting device of the tea harvester adopts the cutting mode of the rotary cutting knife, the cutting range of the cutting knife is larger, the position of the shearing cutting opening formed at the corresponding part of the rotary cutting knife and the cutting assembly can be closer to the tea collecting groove, tea is facilitated to fall into the tea collecting groove, and collection is facilitated.
2. According to the rotary cutting and collecting device of the tea harvester, the corresponding negative pressure storage box can still adopt a fan form with smaller power, so that the influence of noise and the like on the use comfort of operators is reduced; when the tea leaf recycling device is used, through the rotation of the flow distribution plate, the flow distribution holes and the through holes are respectively corresponding to each other, the switching of the tea leaf recycling holes is realized, the negative pressure is independently and sequentially communicated, enough negative pressure suction force can be formed in the single tea leaf recycling holes, fresh tea leaves collected in the tea leaf collecting tank can flow, the fresh tea leaves are sucked into the corresponding tea leaf recycling holes nearby, stacking in the tea leaf collecting tank is avoided, and therefore recycling of fresh tea leaves is effectively and timely carried out, and the quality of the fresh tea leaves is guaranteed.
3. The rotary cutting and collecting device of the tea harvester can be combined with a mechanical arm to move along the arc shape of the cross section of the tea tree canopy surface during use, cut and collect, and push the tea tree harvesting device section by section along the tea tree planting length direction; the form of gathering is cut in arc removal, can overcome the drawback that exists in the longitudinal cutting, and is better with the adaptation picking nature of the actual growth condition of tea tree canopy, and the effect of cutting collection is better.
Drawings
Figure 1 is a front view of a rotary cutting and collecting device of a tea harvester according to an embodiment;
figure 2 is a perspective view of a rotary cutting and collecting device of the tea harvester according to an embodiment;
figure 3 is a perspective view of another angle of the rotary cutting and collecting device of the tea harvester according to the embodiment;
FIG. 4 is a left side view of FIG. 1 (with the cover of the sectional recovery control assembly removed for ease of illustration of the interior);
fig. 5 is a schematic diagram of the use of a rotary cutting and collecting device of the tea harvester according to the embodiment;
the tea leaf recycling device comprises a cutting assembly 1, a rotary cutter 2, a cutter seat 3, a yielding groove 4, a base seat 5, a bottom plate 6, a front end plate 7, a rear end plate 8, a guard plate 9, a rotating base 10, a tea leaf collecting groove 11, a bottom wall 12, side walls 13, tea leaf recycling holes 14, a pipeline 15, a sectional recycling control assembly 16, a sealing plate 17, a through hole 18, a rotary motor 19, a flow dividing plate 20, a flow dividing hole 21, a sealing cover 22, a total recycling opening 23, tea trees 500, ridges 600 and tea tree canopy 501.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Referring to fig. 1-4, a rotary cutting and collecting device of a tea harvester in an embodiment includes a cutting assembly 1, wherein the cutting assembly 1 includes a plurality of rotary cutters 2 spaced along a length direction, and one end of each rotary cutter 2 is synchronously rotatably connected to a driving shaft so as to cut tea leaves through a free end thereof when rotating along with the driving shaft; also comprises a tea collecting groove 11 corresponding to the cutting assembly 1 in the length direction, wherein the tea collecting groove 11 is arranged adjacent to the cutting assembly 1 so as to receive tea cut by the cutting assembly 1; the wall of the tea collecting tank 11 is provided with a plurality of tea recovery holes 14 at intervals along the length direction, three tea recovery holes 14 are illustrated in the embodiment, the tea recovery holes 14 are connected with a sectional recovery control assembly 16, the sectional recovery control assembly 16 comprises a diversion bin, the diversion bin comprises a circle of side walls 13 and a sealing plate 17 which is closely connected with one end of the side walls 13, the other end of the side walls 13 is hermetically connected with a sealing cover 22 with a total recovery opening 23, and the sealing cover is connected with a negative pressure storage box (not shown in the figure) through the total recovery opening 23; the sealing plate 17 is provided with through holes 18 with the number corresponding to that of the tea recovery holes 14, the through holes 18 are circumferentially arranged at intervals on the sealing plate 17, and the tea recovery holes 14 are respectively connected with the through holes 18 one by one through the pipelines 15; the outer side of the sealing plate 17 is connected with a rotary motor 19, an output shaft of the rotary motor 19 penetrates through the sealing plate 17 and is connected with a flow dividing plate 20 attached to the inner side of the sealing plate 17 in a synchronous rotation mode, the flow dividing plate 20 covers all the through holes 18, and a flow dividing hole 21 corresponding to any through hole 18 is formed in the flow dividing plate 20 in a penetrating mode; the rotary motor 19 is signal-connected to a controller (not shown) to control the rotation of the flow dividing plate 20, thereby controlling the opening and closing of each through hole 18.
According to the rotary cutting and collecting device of the tea harvester, compared with a traditional reciprocating serrated cutting blade mode, the rotary cutting device of the tea harvester adopts a cutting mode of the rotary cutting knife 2, the cutting range of the cutting knife is larger, the position of a shearing cutting opening formed at the corresponding part of the rotary cutting knife 2 and the cutting assembly 1 can be closer to the tea collecting groove 11, tea is facilitated to fall into the tea collecting groove 11, and collection is facilitated; the negative pressure storage box corresponding to the device can still adopt a fan form with smaller power, so that the influence of noise and the like on the use comfort of operators is reduced; when the tea leaf recycling device is used, through the rotation of the flow dividing plate 20, the flow dividing holes 21 and the through holes 18 are respectively corresponding to realize the switching of the tea leaf recycling holes 14, and the negative pressure is independently and sequentially communicated, so that enough negative pressure suction force can be formed in the single tea leaf recycling holes 14, fresh tea leaves collected in the tea leaf collecting tank 11 can flow, and the fresh tea leaves are sucked into the corresponding tea leaf recycling holes 14 nearby, so that stacking in the tea leaf collecting tank 11 is avoided, the fresh tea leaves can be effectively and timely recycled, and the quality of the fresh tea leaves is guaranteed.
With continued reference to fig. 2 and 3, the plurality of rotary cutters 2 are installed in the cutter seat 3, and a driving motor (not shown) for driving each rotary cutter 2 is disposed in the cutter seat 3, and an output end of the driving motor is in transmission connection with the driving shaft. In the implementation, one driving motor may be in driving connection with each revolution knife 2 (driving shaft) through a transmission system, or each revolution knife 2 may be directly connected by a one-to-one driving motor, which is not particularly limited. The rotation track of each rotary cutter 2 is positioned on the same plane, the cutter seat 3 is provided with a yielding groove 4 for yielding the rotation of the rotary cutter 2, the plane is parallel to the depth direction of the tea collecting groove 11, the yielding groove 4 is perpendicular to the driving shaft, the free end of the rotary cutter 2 extends out of the yielding groove 4, one side edge of the sharpening edge of the rotary cutter 2 and the notch of the yielding groove 4 at the corresponding side form a shearing cutting opening, and the cutting action of tea is realized; the cutter holder 3 is connected to the base body seat 5, one end of the base body seat 5 in the length direction corresponding to the tea leaf collecting groove 11 in the length direction is provided with a rotation extending part (not shown in the figure) and is rotationally connected with the rotation base 10 through the rotation extending part, the axis of the rotation extending part corresponds to the length direction of the tea leaf collecting groove 11, and a rotation motor (not shown in the figure) for driving the rotation extending part is arranged in the rotation base 10. The base body seat 5 comprises a bottom plate 6, a front end plate 7 and a rear end plate 8, wherein the two ends of the bottom plate 6 are vertically protruded in the same direction, the rotation extension part is arranged on the outer side of the rear end plate 8, the cutter seat 3 is arranged between the front end plate 7 and the rear end plate 8, and one surface, opposite to the abdicating groove 4, of the cutter seat 3 is connected to the bottom plate 6. In this embodiment, in order to ensure the stability and accuracy of the installation of the cutter holder 3 on the base body seat 5, guard plates 9 are further provided on both sides of the bottom plate 6 in a protruding manner, and the cutter holder 3 is enclosed therein.
Therefore, the structure is compact, and the disassembly and the assembly are convenient. The notch of the abdication groove 4 of the revolving knife 2 and the knife seat 3 forms a shearing cutting opening, is very close to the tea collecting groove 11, is basically adjacent to the notch of the tea collecting groove 11, and is beneficial to the fresh tea leaves after cutting to fall into the tea collecting groove 11 and avoid scattering.
Wherein, the cross-section of tealeaves collecting vat 11 is U-shaped and upper end is open, the both ends of length direction are sealed, and tealeaves recovery hole 14 runs through and sets up in the diapire 12 of tealeaves collecting vat 11, and tealeaves collecting vat 11 links to each other with cutting blade holder 3 or base member seat 5 through lateral wall 13 to be convenient for wholly or respectively dismantle alone with cutting blade holder 3.
For easy understanding, please refer to fig. 5, when in use, the rotating base 10 of the device is connected to a mechanical arm capable of moving longitudinally and transversely along the direction shown in the figure, so as to drive the device to move along the arc of the tea tree canopy 501, and the base body seat 5 carries the cutter seat 3 and the rotary cutter 2 to rotate relative to the rotating base 10, so that the working direction of the rotary cutter 2 is always tangential to the arc of the tea tree canopy 501, and fresh tea leaves on the tea tree canopy 501 are cut. It can be appreciated that in order to cut fresh tea leaves smoothly fall into the tea collecting tank 11, the device is used for two sets of symmetrical use in use, and meanwhile, the device moves to cut and collect the fresh tea leaves on the half sides of the tea canopy surface 501 respectively.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (4)
1. The rotary cutting and collecting device of the tea harvester comprises a cutting assembly, wherein the cutting assembly comprises a plurality of rotary cutters which are arranged at intervals along the length direction, and one ends of the rotary cutters are synchronously and rotatably connected to a driving shaft so as to cut tea through free ends of the rotary cutters when rotating along with the driving shaft; the method is characterized in that: the tea collecting groove is arranged adjacent to the cutting assembly in the length direction and is used for receiving tea leaves cut by the cutting assembly;
the wall of the tea collecting tank is provided with a plurality of tea recovery holes at intervals along the length direction of the wall, the tea recovery holes are connected with a sectional recovery control assembly, the sectional recovery control assembly comprises a diversion bin, the diversion bin comprises a circle of side wall and a sealing plate which is connected with one end of the side wall in a sealing way, and the other end of the side wall is connected with a sealing cover with a total recovery port in a sealing way so as to be connected with a negative pressure storage box; the sealing plate is provided with through holes with the number corresponding to that of the tea recovery holes, the through holes are circumferentially arranged at intervals on the sealing plate, and the tea recovery holes are connected with the through holes one by one through pipelines; the outside of shrouding is connected with the gyrator, gyrator's output shaft passes the shrouding and links to each other with pasting in the inboard flow distribution plate synchronous rotation of shrouding, the flow distribution plate covers all through-holes and runs through on the flow distribution plate and has seted up a branch flow hole that corresponds with arbitrary through-hole.
2. The rotary cutting and collecting device of the tea harvester according to claim 1, wherein: the plurality of rotary cutters are arranged in the cutter seat, a driving motor for driving each rotary cutter is arranged in the cutter seat, the output end of the driving motor is in transmission connection with the driving shaft, the rotation track of each rotary cutter is positioned on the same plane, the cutter seat is provided with a stepping groove for stepping down the rotation of the rotary cutter, and the free end of the rotary cutter extends out of the stepping groove; the cutter seat is connected to the base body seat, and one end of the base body seat in the length direction is provided with a rotation extension part and is rotationally connected with the rotation base through the rotation extension part.
3. The rotary cutting and collecting device of the tea harvester according to claim 2, wherein: the base body seat comprises a bottom plate and a front end plate and a rear end plate which are vertically protruded at two ends of the bottom plate, the rotation extension part is arranged on the outer side of the rear end plate, the cutter seat is arranged between the front end plate and the rear end plate, one surface, opposite to the abdicating groove, of the cutter seat is connected to the bottom plate, and two sides of the bottom plate are respectively protruded with a guard plate and enclose the cutter seat between the guard plates.
4. A rotary cutting and collecting device for tea leaf harvester according to claim 2 or 3, wherein: the cross section of tealeaves collecting vat is U-shaped and length direction's both ends seal, and the tealeaves recovery hole runs through to be seted up in the diapire of tealeaves collecting vat, and tealeaves collecting vat passes through the lateral wall and links to each other with cutting blade holder or base member seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818415.6U CN219660415U (en) | 2022-07-13 | 2022-07-13 | Rotary cutting and collecting device of tea harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221818415.6U CN219660415U (en) | 2022-07-13 | 2022-07-13 | Rotary cutting and collecting device of tea harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219660415U true CN219660415U (en) | 2023-09-12 |
Family
ID=87927791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221818415.6U Active CN219660415U (en) | 2022-07-13 | 2022-07-13 | Rotary cutting and collecting device of tea harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219660415U (en) |
-
2022
- 2022-07-13 CN CN202221818415.6U patent/CN219660415U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111512782B (en) | Automatic tea harvester | |
| CN212851840U (en) | Tea leaf harvester | |
| CN210470205U (en) | Efficient weeding machine for fruit tree planting | |
| CN113647241A (en) | Afforestation is with collection formula lawn mower with shredding function | |
| CN219660415U (en) | Rotary cutting and collecting device of tea harvester | |
| CN203968663U (en) | Garlic stem leaf removing device of garlic harvester | |
| CN202396206U (en) | Tobacco seedling tippy leaf pruning machine with function of collecting residual leaves | |
| CN112219553A (en) | Self-propelled tea picking device capable of adaptively adjusting tea picking height | |
| CN219660414U (en) | Reciprocating cutting and collecting device of tea harvester | |
| CN109496553B (en) | Blowing type prickly ash picking tool | |
| CN217184741U (en) | Mushroom stem shearing machine | |
| CN102893756B (en) | Multi-person carthamus tinctorius harvesting machine | |
| CN205584803U (en) | Artemisia selengensis harvester | |
| CN209732034U (en) | Blowing type pepper picking tool | |
| CN210641445U (en) | A trimming machine for in aspect of gardens | |
| CN115211283B (en) | Tea tree section arc profiling cutting harvesting mechanism and cutting harvesting method | |
| CN209710632U (en) | A kind of electrically membrane removal machine | |
| CN214070699U (en) | Self-propelled green fodder harvester with adjustable header | |
| CN110073802A (en) | A kind of environmentally friendly weeder suitable for farmland | |
| CN111406636A (en) | Semi-automatic harvesting production line for hydroponic vegetables | |
| CN107889608A (en) | A kind of miniature hot pickled mustard tube harvester | |
| CN206452765U (en) | A kind of bleeder leek harvester | |
| CN220674428U (en) | Lawn mowing device for greening engineering | |
| CN219146208U (en) | Topping actuator, agricultural vehicle and unmanned vehicle | |
| CN213603248U (en) | Weed collecting and mowing equipment with good effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |