CN212786663U - Crop straw treatment equipment - Google Patents
Crop straw treatment equipment Download PDFInfo
- Publication number
- CN212786663U CN212786663U CN202020710597.XU CN202020710597U CN212786663U CN 212786663 U CN212786663 U CN 212786663U CN 202020710597 U CN202020710597 U CN 202020710597U CN 212786663 U CN212786663 U CN 212786663U
- Authority
- CN
- China
- Prior art keywords
- base plate
- hole
- fixedly connected
- straw
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The utility model discloses a crop straw treatment facility, including the base plate, the base plate downside is equipped with first removal wheel, and base plate one side is equipped with the opening, and the base plate upside is equipped with cutting conveyor the base plate is kept away from open-ended one end and is equipped with the hole of stepping down, is equipped with the blanking fill in the hole of stepping down, is equipped with cutting device below the base plate. The utility model discloses can directly use in the field, avoid the peasant to cut down the straw in turn and transport away, cut the utility model discloses downcut the back with the straw, cut into the slice through cutting device, the straw that cuts into the slice can directly be used for making straw fuel or straw PLASTIC LAMINATED, can carry out reutilization to the straw, and the straw piece can be sold, increases peasant's economic benefits.
Description
Technical Field
The utility model relates to an agricultural planting machine technical field, concretely relates to crop straw treatment facility.
Background
Crops are various plants cultivated in agriculture. Including grain crops and economic crops. In the prior art, after the corns or the broomcorn are ripe and the fruits are picked, the remaining straws need to be treated, in the prior art, the straws are usually cut off by manpower one by one and then are pulled away by a vehicle, so that time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a crop straw treatment device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a crop straw treatment device comprises a base plate, wherein a first moving wheel is arranged on the lower side of the base plate, an opening is formed in one side of the base plate, a cutting and conveying device is arranged on the upper side of the base plate and comprises two vertical plates fixed on the upper side of the base plate, a cross beam is fixedly connected to the upper side of each vertical plate, two rotating shafts are rotatably connected between each cross beam and the base plate, a conveying motor is arranged on the upper side of each cross beam and used for driving one of the rotating shafts to rotate, a fixed cutter head is sleeved at the lower end of each rotating shaft close to the opening, a fixed roller shaft is sleeved on the outer side of each rotating shaft, a conveying belt is sleeved between the two roller shafts below the same cross beam, a conveying channel is formed between the two conveying belts, a plurality of groups of fixing rods are arranged on, the utility model discloses a cutting device, including base plate, blanking hole, base plate upper side, blanking hole, round axle internal rotation connection, a plurality of section blades of round axle lower extreme fixed connection, cutting device still including being used for controlling round axle pivoted power device, the open-ended one end is kept away from to the base plate is equipped with the hole of stepping down, is equipped with blanking hopper in the hole of stepping down, and the base plate below is equipped with cutting device, cutting device includes the flat board, and the flat board passes through the connecting plate to be fixed the base plate downside the dull and stereotyped upside is equipped with the blanking hole.
Preferably, blanking fill lower extreme rotates connects circular cutting device, and circular cutting device includes the plectane, and the center department of plectane is equipped with the material passing hole plectane upside fixed connection installation pipe, installation pipe and the coaxial setting in material passing hole, the installation pipe cup joints blanking fill lower extreme and can use the axis of blanking fill to rotate as the center, a plurality of circular cutting blades of plectane downside fixed connection, and the circular cutting blade evenly sets up at material passing hole lower extreme edge, the installation pipe pass through transmission with the circle hub drive is connected.
Preferably, a speed limiting device is arranged in the blanking hole, the speed limiting device comprises a circular ring, the circular ring is coaxially fixed in the blanking hole, an annular cavity is arranged in the circular ring, a group of elastic rubber cloths are uniformly and fixedly connected to the inner annular wall of the circular ring, an air cavity is formed between each elastic rubber cloth and the inner annular wall of the circular ring, a communicating hole communicated with the cavity is formed in the inner side of each air cavity, an inflation tube communicated with the cavity is arranged on the circular ring, and the inflation tube is connected with an air source device through a hose.
Preferably, the gas source device comprises a box body, a barrel body is fixedly connected to one inner wall of the box body, a vent pipe communicated with the barrel body is arranged at the bottom of the inner side of the barrel body, the vent pipe penetrates through the box body and extends out of the box body, the vent pipe is connected with the inflation pipe through a hose, a piston plate is arranged in the barrel body and can slide in a reciprocating manner along the axis direction of the barrel body, a barrel cover is fixedly connected to the barrel opening of the barrel body, a central hole is formed in the center of the barrel cover, a push-pull rod is fixedly connected to one side, facing the barrel opening of the barrel body, of the piston plate, the push-pull rod penetrates through the central hole and extends out of the barrel body, a push plate is fixedly connected to one end, far away from the piston plate, of the push-pull rod is sleeved with a spring, the spring is arranged between the barrel, the main shaft of the inflating motor is provided with a cam, and the cam is opposite to the push plate.
Preferably, the power device comprises a cutting motor, the cutting motor is fixed on one side of the connecting plate, a first bevel gear is fixedly connected to a main shaft of the cutting motor, a second bevel gear is mounted on the circular shaft, and the second bevel gear is meshed with the second bevel gear.
Preferably, the blanking hole below is equipped with the storage case, and the storage case passes through the hanger plate to be fixed dull and stereotyped downside dull and stereotyped one side fixed connection backup pad, backup pad upside swing joint material receiving box the spiral material conveying machine is equipped with to storage case one side, the feed inlet of spiral material conveying machine sets up towards the storage case, the discharge gate of spiral material conveying machine sets up towards material receiving box.
Preferably, one side of the upper portion of the base plate, which is far away from the opening, is fixedly connected with a vertically arranged circular arc plate, and the top of the circular arc plate is respectively connected with the two cross beams through two lap joint rods.
Preferably, a groove is formed in one side, far away from the opening, of the upper portion of the substrate, and the abdicating hole is formed in the bottom of the inner side of the groove.
Preferably, the opening is a V-shaped opening, a positioning groove is arranged at the bottom of the V-shaped opening, a guide groove is arranged on one side of the positioning groove, and the guide groove extends into the blanking hopper.
Preferably, the baseplate is symmetrically and fixedly connected with a traction block, and the traction block is provided with a traction hole.
Has the advantages that: the utility model discloses can directly use in the field, avoid the peasant to cut down the straw in turn and transport away, cut the utility model discloses downcut the back with the straw, cut into the slice through cutting device, the straw that cuts into the slice can directly be used for making straw fuel or straw PLASTIC LAMINATED, can carry out reutilization to the straw, and the straw piece can be sold, increases peasant's economic benefits.
Drawings
Fig. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is a schematic view of the basic structure of the cutting and conveying device;
FIG. 3 is a schematic diagram of the basic structure of a substrate;
FIG. 4 is a schematic view of the basic structure of the cutting device;
FIG. 5 is a cross-sectional view of the cutting device;
FIG. 6 is a schematic view of the basic structure of the ring cutting device;
FIG. 7 is a schematic view showing the basic structure of a governor;
FIG. 8 is a schematic view of the basic structure of the air supply device;
FIG. 9 is a schematic diagram of the basic structure of straw in the prior art.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-8, the utility model provides a pair of crop straw treatment facility, including base plate 1, base plate 1 downside is equipped with two first removal wheels 15, and base plate 1 one side is equipped with opening 11, and opening 11 is the V-arrangement opening, is equipped with constant head tank 12 in V-arrangement opening bottom constant head tank 12 one side is equipped with guide way 13 one side of keeping away from opening 11 above base plate 1 is equipped with recess 14, sets up the hole of stepping down in the inboard bottom of recess 14. A blanking hopper 3 is arranged in the abdicating hole, and the guide groove 13 extends into the blanking hopper 3.
Cutting conveyor is equipped with to 1 upside of base plate, and cutting conveyor includes two risers 21 of fixing at 1 upside of base plate, two riser 21 parallel arrangement, every riser 21 upside all fixed connection crossbeam 2, every crossbeam 2 with all rotate between the base plate 1 and connect two axis of rotation 22, all be equipped with conveying motor 23 at every crossbeam 2 upside, conveying motor 23's main shaft and one of them axis of rotation 22 coaxial fixed connection, conveying motor 23 is used for driving one of them axis of rotation 22 and rotates.
The lower ends of the two rotating shafts 22 close to the opening 11 are fixedly sleeved with cutter discs 29, each cutter disc 29 comprises a cutter sleeve ring, each cutter sleeve ring is sleeved outside the corresponding rotating shaft 22, and a plurality of cutting blades are uniformly and fixedly connected to the outer ring surface of each cutter sleeve ring.
All cup joint fixed roller 24 in every axis of rotation 22 outside, all cup joint conveyer belt 25 between two roller 24 of same crossbeam 2 below, form transfer passage between two conveyer belts 25, all set up multiunit dead lever 26 at the surface of every conveyer belt 25, the multiunit dead lever 26 of two conveyer belt 25 surfaces is grouped interval dislocation set.
3 lower extremes of blanking fill rotate to connect circular cutting device 42, and circular cutting device 42 includes plectane 421, and the center department of plectane 421 is equipped with wears material hole 422 plectane 421 upside fixed connection installation pipe 423, installation pipe 423 and the coaxial setting of wearing material hole 422, installation pipe 423 cup joints 3 lower extreme of blanking fill and can use the axis of blanking fill 3 to rotate as the center, a plurality of circular cutting blades 424 of plectane 421 downside fixed connection, and circular cutting blade 424 evenly sets up at wearing material hole 422 lower extreme edge, installation pipe 423 through transmission with the transmission of circle axle 43 is connected. The transmission device adopts gear transmission, chain transmission or belt transmission, and the belt transmission is adopted in the embodiment, specifically, a first belt pulley 431 is fixedly connected to the upper end of the circular shaft 43, a second belt pulley 425 is sleeved outside the installation tube 423, and the first belt pulley 431 is in transmission connection with the second belt pulley 425 through a belt 432.
The speed limiting device 5 is arranged in the blanking hole 414, the speed limiting device 5 comprises a circular ring 51, the circular ring 51 is coaxially fixed in the blanking hole 414, an annular cavity 52 is arranged in the circular ring 51, a group of elastic rubber cloths 53 are uniformly and fixedly connected on the inner annular wall of the circular ring 51, an air cavity 54 is formed between each elastic rubber cloth 53 and the inner annular wall of the circular ring 51, a communication hole 55 communicated with the cavity 52 is arranged on the inner side of each air cavity 54, an inflation tube 56 communicated with the cavity 52 is arranged on the circular ring 51, and the inflation tube 56 is connected with an air source device 6 through a hose. The air source device 6 comprises a box body 61, a barrel body 62 is fixedly connected to one inner wall of the box body 61, an air pipe 65 communicated with the barrel body 62 is arranged at the bottom of the inner side of the barrel body 62, the air pipe 65 penetrates through the box body 61 and extends out of the box body 61, the air pipe 65 is connected with the air inflation pipe 56 through a hose, a piston plate 64 is arranged in the barrel body 62, the piston plate 64 can slide back and forth along the axial direction of the barrel body 62, a barrel cover 63 is fixedly connected to the barrel opening of the barrel body 62, a central hole 631 is arranged at the center of the barrel cover 63, a push-pull rod 66 is fixedly connected to one side of the piston plate 64 facing the barrel opening of the barrel body 62, the push-pull rod 66 penetrates through the central hole and extends out of the barrel body 62, a push plate 67 is fixedly connected to one end of the push-pull rod 66 far away from, the spring 68 is arranged between the barrel cover 63 and the push plate 67, the inflation motor 69 is fixedly connected in the box body 61, a cam 691 is arranged on a main shaft of the inflation motor 69, and the cam 691 is arranged opposite to the push plate 67.
When the base plate is used, the base plate 1 is symmetrically and fixedly connected with the traction blocks 16, and the traction blocks 16 are provided with traction holes. The crop straw processing equipment provided by the utility model can be connected with an agricultural machine through the traction block 16, for example, the crop straw processing equipment is connected with a tractor head, the movement of the utility model is controlled by the tractor head, when the crop straw processing equipment moves forwards, the opening 11 is aligned with the straw, in the process of moving forwards, the root of the straw is cut off through the cutter head 29, under the action of the fixed rod 26 outside the conveyer belt 25, the cut straw is pushed into the conveying channel, when the straw is in the conveying channel, the lower end of the straw is in the guide groove 13, the straw is positioned between the two groups of fixed rods 26, the crop straw moves into the hopper 3 along the guide groove 13 under the action of the conveyer belt 25, the crop straw drops downwards along the hopper 3 under the action of gravity, the straw can grow leaves 100 outside the straw as shown in figure 9, the leaves 100 can be separated from the straw through the ring-cutting blade 424 in the dropping process of the straw, when the straw passes through, the cam 691 is driven to rotate by the inflating motor 69, so that the piston plate 64 moves left and right, intermittent inflation or air suction of the air cavity 54 is achieved, when the air cavity 54 is inflated, the cavity can be expanded, straws can be clamped, at the moment, the slicing blade 435 rotates to cut off one piece of straws, when the air cavity 54 is sucked, the cavity can be restored to be flat, the straws fall to one end under the action of gravity again, then are clamped, and then are cut off by the slicing blade 435, so that slicing operation of the straws is completed.
In order to collect the straw cut into slices conveniently, a storage box 45 is arranged below the blanking hole 414, the storage box 45 is fixed on the lower side of the flat plate 41 through a hanging plate 44, a supporting plate 47 is fixedly connected on one side of the flat plate 41, a material receiving box 48 is movably connected on the upper side of the supporting plate 47, a spiral conveyor 46 is arranged on one side of the storage box 45, a feeding hole of the spiral conveyor 46 is arranged towards the storage box 45, and a discharging hole of the spiral conveyor 46 is arranged towards the material receiving box 48. After slicing, the slices fall into a storage box 45 and are conveyed into a material receiving box 48 through a spiral conveyor 46, and after the material receiving box 48 is full, a new material receiving box is replaced.
In order to prevent the straws from falling down in the falling process, one side of the upper part of the base plate 1 far away from the opening 11 is fixedly connected with a vertically arranged circular arc plate 27, and the top of the circular arc plate 27 is respectively connected with the two cross beams 2 through two lapping rods 28. The straw is limited by the arc plate 27.
The utility model discloses can directly use in the field, avoid the peasant to cut down the straw in turn and transport away, cut the utility model discloses downcut the back with the straw, cut into the slice through cutting device, the straw that cuts into the slice can directly be used for making straw fuel or straw PLASTIC LAMINATED, can carry out reutilization to the straw, and the straw piece can be sold, increases peasant's economic benefits.
Claims (10)
1. The utility model provides a crop straw treatment facility, includes base plate (1), and base plate (1) downside is equipped with first removal wheel (15), its characterized in that, base plate (1) one side is equipped with opening (11), and base plate (1) upside is equipped with cutting conveyor, cutting conveyor includes two riser (21) of fixing at base plate (1) upside, and every riser (21) upside is equal fixed connection crossbeam (2), every crossbeam (2) with all rotate between base plate (1) and connect two axis of rotation (22), all be equipped with conveying motor (23) at every crossbeam (2) upside, conveying motor (23) are used for driving one of them axis of rotation (22) to rotate, cup joint fixed cutter dish (29) at the lower extreme that is close to two axis of rotation (22) of opening (11), all cup joint fixed roller (24) in every axis of rotation (22) outside, all cup joint conveyer belt (25) between two roller (24) of same crossbeam (2) below, form transfer passage between two conveyer belts (25), all set up multiunit dead lever (26) at the surface of every conveyer belt (25), multiunit dead lever (26) of two conveyer belts (25) surface are grouped interval dislocation set the one end that opening (11) were kept away from in base plate (1) is equipped with the hole of stepping down, is equipped with blanking fill (3) in the downthehole of stepping down, is equipped with cutting device (4) below base plate (1), cutting device (4) include flat board (41), and flat board (41) are fixed through connecting plate (411) base plate (1) downside dull and stereotyped (41) upside is equipped with blanking hole (414), blanking hole (414) with the coaxial setting of hole of stepping down be equipped with the round hole on flat board (41), at round axle (43) is connected in the round hole internal rotation, the lower end of the round shaft (43) is fixedly connected with a plurality of slicing blades (435), and the cutting device (4) further comprises a power device for controlling the round shaft (43) to rotate.
2. The crop straw treatment apparatus according to claim 1, wherein: blanking fill (3) lower extreme rotates connects circular cutting device (42), and circular cutting device (42) includes plectane (421), and the center department of plectane (421) is equipped with material passing hole (422) plectane (421) upside fixed connection installation pipe (423), installation pipe (423) and the coaxial setting of material passing hole (422), installation pipe (423) cup joint blanking fill (3) lower extreme and can use the axis of blanking fill (3) to rotate as the center, and a plurality of circular cutting blade (424) of plectane (421) downside fixed connection, circular cutting blade (424) evenly set up at material passing hole (422) lower extreme edge, installation pipe (423) through transmission with circle axle (43) transmission is connected.
3. The crop straw treatment apparatus according to claim 1, wherein: the speed limiting device (5) is arranged in the blanking hole (414), the speed limiting device (5) comprises a circular ring (51), the circular ring (51) is coaxially fixed in the blanking hole (414), an annular cavity (52) is arranged in the circular ring (51), a group of elastic rubber cloths (53) are uniformly and fixedly connected to the inner annular wall of the circular ring (51), an air cavity (54) is formed between each elastic rubber cloth (53) and the inner annular wall of the circular ring (51), a communication hole (55) communicated with the cavity (52) is formed in the inner side of each air cavity (54), an inflation pipe (56) communicated with the cavity (52) is arranged on the circular ring (51), and the inflation pipe (56) is connected with an air source device (6) through a hose.
4. The crop straw treatment apparatus as claimed in claim 3, wherein: the air source device (6) comprises a box body (61), a barrel body (62) is fixedly connected to one inner wall of the box body (61), a vent pipe (65) communicated with the barrel body (62) is arranged at the bottom of the inner side of the barrel body (62), the vent pipe (65) penetrates through the box body (61) and extends out of the box body (61), the vent pipe (65) is connected with the inflation pipe (56) through a hose, a piston plate (64) is arranged in the barrel body (62), the piston plate (64) can slide in a reciprocating mode along the axial direction of the barrel body (62), a barrel cover (63) is fixedly connected to the barrel opening of the barrel body (62), a central hole (631) is formed in the center of the barrel cover (63), a push-pull rod (66) is fixedly connected to one side, facing the barrel opening of the barrel body (62), of the piston plate (64), and the push-pull rod (66) penetrates through the central hole (631) and extends out of the, the device comprises a push plate (67) fixedly connected to one end, far away from a piston plate (64), of a push-pull rod (66), a spring (68) is sleeved on the outer side of the push-pull rod (66), the spring (68) is arranged between a barrel cover (63) and the push plate (67), an inflation motor (69) is fixedly connected into a box body (61), a cam (691) is installed on a main shaft of the inflation motor (69), and the cam (691) and the push plate (67) are arranged oppositely.
5. The crop straw treatment apparatus according to claim 1, wherein: the power device comprises a cutting motor (436), the cutting motor (436) is fixed on one side of the connecting plate (411), a first bevel gear (433) is fixedly connected to a main shaft of the cutting motor (436), a second bevel gear (434) is installed on the circular shaft (43), and the second bevel gear (434) is meshed with the second bevel gear (434).
6. The crop straw treatment apparatus according to claim 1, wherein: blanking hole (414) below is equipped with storage case (45), and storage case (45) are fixed through hanger plate (44) dull and stereotyped (41) downside dull and stereotyped (41) one side fixed connection backup pad (47), backup pad (47) upside swing joint material receiving box (48) spiral feeder (46) are equipped with to storage case (45) one side, the feed inlet of spiral feeder (46) sets up towards storage case (45), the discharge gate of spiral feeder (46) sets up towards material receiving box (48).
7. The crop straw treatment apparatus according to claim 1, wherein: one side of the upper portion of the base plate (1) far away from the opening (11) is fixedly connected with a vertically arranged circular arc plate (27), and the top of the circular arc plate (27) is respectively connected with the two cross beams (2) through two overlapping rods (28).
8. The crop straw treatment apparatus according to claim 1, wherein: one side of the upper portion of the substrate (1) far away from the opening (11) is provided with a groove (14), and the abdicating hole is formed in the bottom of the inner side of the groove (14).
9. The crop straw treatment apparatus according to claim 1, wherein: the opening (11) is a V-shaped opening, a positioning groove (12) is arranged at the bottom of the V-shaped opening, a guide groove (13) is arranged on one side of the positioning groove (12), and the guide groove (13) extends into the blanking hopper (3).
10. The crop straw treatment apparatus according to claim 1, wherein: the base plate (1) is symmetrically and fixedly connected with traction blocks (16), and traction holes are formed in the traction blocks (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020710597.XU CN212786663U (en) | 2020-05-04 | 2020-05-04 | Crop straw treatment equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020710597.XU CN212786663U (en) | 2020-05-04 | 2020-05-04 | Crop straw treatment equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212786663U true CN212786663U (en) | 2021-03-26 |
Family
ID=75092836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020710597.XU Expired - Fee Related CN212786663U (en) | 2020-05-04 | 2020-05-04 | Crop straw treatment equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212786663U (en) |
-
2020
- 2020-05-04 CN CN202020710597.XU patent/CN212786663U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111492813B (en) | Crop straw cutting and conveying device | |
CN111492786A (en) | Crop straw processing device | |
US3863431A (en) | Apparatus for harvesting and cleaning windrowed cane | |
CN103262705B (en) | A kind of modern greenhouse atomising cultivation vegetables cut root harvesting apparatus | |
US20090165433A1 (en) | Method and Apparatus for Harvesting Standing Vegetable Crops | |
CN106941868B (en) | Young garlic shoot harvester | |
CN109769465B (en) | Small chain type poppy harvester | |
CN207427828U (en) | A kind of harvesting apparatus suitable for highland barley ear stem shunting harvest | |
CN212520014U (en) | Crop straw cutting and conveying device | |
CN107094424B (en) | Stalk crop harvester | |
CN111328545A (en) | Cutting device of crop straw treatment equipment | |
CN212786663U (en) | Crop straw treatment equipment | |
CN209299744U (en) | A kind of cutting mechanism based on leaf vegetables cutting | |
CN213029209U (en) | Cutting device for crop straw treatment equipment | |
CN206895236U (en) | A kind of garlic stems cropper | |
CN211671297U (en) | Pneumatic ordered seedling throwing machine suitable for degradable seedling tray | |
CN110366911B (en) | Seed sowing device for potato planter | |
CN116762563A (en) | Self-propelled cabbage harvester | |
CN107493806A (en) | A kind of harvesting apparatus suitable for highland barley ear stem shunting harvest | |
CN111328563B (en) | Speed limiting device of crop straw treatment equipment | |
CN216064820U (en) | Mulching film peanut seedling separation and film removal machine | |
CN212993155U (en) | Speed limiting device for crop straw treatment equipment | |
US3600882A (en) | Cucumber harvester | |
CN109819761B (en) | Small roller type poppy harvester | |
CN212096500U (en) | Fruit slicing device for freeze-dried fruit processing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |
|
CF01 | Termination of patent right due to non-payment of annual fee |