CN209436089U - A kind of grug feeding device for cultivated strawberry - Google Patents

A kind of grug feeding device for cultivated strawberry Download PDF

Info

Publication number
CN209436089U
CN209436089U CN201821993595.5U CN201821993595U CN209436089U CN 209436089 U CN209436089 U CN 209436089U CN 201821993595 U CN201821993595 U CN 201821993595U CN 209436089 U CN209436089 U CN 209436089U
Authority
CN
China
Prior art keywords
welded
fanning strip
feeding device
crank slot
grug feeding
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
Application number
CN201821993595.5U
Other languages
Chinese (zh)
Inventor
郭俊旺
王丽娟
单慧勇
卫勇
杨延荣
郭小鸥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Agricultural University
Original Assignee
Tianjin Agricultural University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Agricultural University filed Critical Tianjin Agricultural University
Priority to CN201821993595.5U priority Critical patent/CN209436089U/en
Application granted granted Critical
Publication of CN209436089U publication Critical patent/CN209436089U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cultivation Of Plants (AREA)

Abstract

The utility model discloses a kind of grug feeding devices for cultivated strawberry, including multiple risers, a shaft is rotatably connected to using bearing on each riser, a belt wheel is welded in each shaft, each riser is welded with fanning strip far from one end of belt wheel, and first crank slot and the second crank slot are offered on each fanning strip.Advantage is: driving screw rod to move back and forth in the horizontal direction in belt wheel rotation process, annular sleeve is rotated relative to the second straight pin during this drives the movement of the second straight pin, so that spray bar swings back and forth on fanning strip, and spray bar is directed toward the center point of fanning strip always, so need to only guarantee that strawberry is located at the center point of fanning strip, the water pump in the starting motor box external world can thoroughly spray to strawberry, it can also thoroughly be sprayed insecticide to it without stirring strawberry, avoid stirring pesticide damage plant.

Description

A kind of grug feeding device for cultivated strawberry
Technical field
The utility model relates to technical field of strawberry cultivation more particularly to a kind of grug feeding devices for cultivated strawberry.
Background technique
Strawberry aroma is strong, sweet and sour palatability, full of nutrition, is one of the fruit that people's daily life is welcome very much, furthermore There are also higher medicinal and medical values for strawberry, can have preferably to blood diseases such as treatment leukaemia, aplastic anemias after processing Curative effect, and strawberry juice there are also moisten skin nutrition the effect of, various advanced cosmetic creams are made with it, to slow down skin occur Wrinkle has remarkable result.
Strawberry is herbaceos perennial, 10-40 centimetres high, often to be planted one by one in plantation convenient for arranging, However in the planting process of strawberry, insect pest is to influence one of the maximum harm of plantation achievement, other farmings in actual life Object is when spraying insecticide, and in order to guarantee the spray effect of pesticide, plant is often stirred after spraying insecticide and continues to spray, to guarantee Pesticide spraying more thoroughly, and strawberry is more fragile, stirs plant easily and causes and strawberry shedding etc. occurs and influence asking for yield Topic, and aggravate pesticide spraying amount and easily cause partial region pesticide residue, eater's health is influenced, so the laxative of strawberry is always Something that the person that is strawberry cultivating most has a headache.
Utility model content
Purpose of the utility model is to solve directly continue pesticide spraying to strawberry in the prior art not protecting The more thorough problem of card pesticide spraying, and a kind of grug feeding device for cultivated strawberry proposed.
To achieve the goals above, the utility model adopts the technical scheme that a kind of laxative for cultivated strawberry Device, including multiple risers are rotatably connected to a shaft using bearing on each riser, in each shaft It is welded with a belt wheel, each riser is welded with fanning strip far from one end of belt wheel, on each fanning strip First crank slot and the second crank slot are offered, one is slidably connected inside each first crank slot and the second crank slot One straight pin, two the first straight pins on the same fanning strip are welded with spray bar and connecting plate jointly, described Connecting plate and spray bar are located at the two sides of fanning strip, and first crank slot and the second crank slot are circular arc type, first crank slot It is located at same point with the circular arc center of circle of the second crank slot, the middle part of each connecting plate is welded with second straight pin, often An annular sleeve is arranged on a second straight pin;
A transverse slat is welded on each riser, each transverse slat is respectively positioned on the belt wheel and sector of corresponding position Between plate, a translot is offered on each transverse slat, a sliding block is slidably connected in each translot, each The translot is the square structure worked in coordination with corresponding sliding block, offers one first circle in the middle part of each sliding block Shape through-hole, the first circular through hole internal slide are socketed with screw rod.
In the above-mentioned grug feeding device for cultivated strawberry, fixing groove is offered on the belt wheel, in the fixing groove There are two friction plate, two friction plates to be connected with a connecting column, two frictions using pin shaft common rotation for setting Plate is welded with the first spring jointly, and the side of each friction plate away from each other is welded with a connecting rod, two institutes It states the side of connecting rod away from each other and is welded with a button, the connecting column is rotatably connected to a traveller using bearing, often Second circular through hole, second circular through hole and the common sliding sleeve of the first circular through hole are offered on a traveller It is located on screw rod, the screw flight is fixed in annular sleeve.
In the above-mentioned grug feeding device for cultivated strawberry, is welded between two opposite friction plates of position jointly Two springs.
In the above-mentioned grug feeding device for cultivated strawberry, welded jointly between the every two riser adjacent to each other Fixed plate is fixed, is arranged with synchronous belt jointly between the every two belt wheel adjacent to each other.
In the above-mentioned grug feeding device for cultivated strawberry, it is fixedly connected on one of them described riser using bolt The output shaft of motor, the motor is weldingly fixed in the shaft of corresponding position.
In the above-mentioned grug feeding device for cultivated strawberry, each fanning strip is fan-shaped ring structure.
In the above-mentioned grug feeding device for cultivated strawberry, one of them described fixed plate lower end is welded with vertical Column, the column are welded with bottom plate far from one end of fixed plate, and the bottom plate is symmetrically arranged with far from the side of fixed plate Multiple idler wheels.
In the above-mentioned grug feeding device for cultivated strawberry, it is welded with baffle on the screw rod, is arranged on the screw rod There is second spring, one end and the baffle of the second spring offset, and the other end and the sliding block of the second spring offset
Compared with prior art, utility model has the advantages that
1, motor band movable belt pulley rotates in the present apparatus, drives screw rod to move back and forth in the horizontal direction in belt wheel rotation process, Annular sleeve is rotated relative to the second straight pin during this drives the movement of the second straight pin, so that spray bar is come on fanning strip Backswing is dynamic, and spray bar is directed toward the center point of fanning strip always, so need to only guarantee that strawberry is located at the center point of fanning strip, The water pump in the starting motor box external world can thoroughly spray to strawberry, can also carry out to it without stirring strawberry It thoroughly sprays insecticide, avoids stirring pesticide damage plant;
2, connecting column can slide in the fixing groove of belt wheel in the present apparatus, and connecting column is remoter from the center of circle of belt wheel, screw rod fortune Two dynamic extreme positions are remoter, and the angle that spray bar is swung is bigger, otherwise two extreme positions of screw motion are closer, spray The angle that bar is swung is smaller, is suitable for different size of strawberry, and the connecting column position on each belt wheel can individually be fixed, So that the present apparatus has the bigger scope of application;
3, a motor can drive the spray bar on multiple fanning strips to swing in the present apparatus, have fabulous energy-saving effect.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of grug feeding device for cultivated strawberry structural schematic diagram;
Fig. 2 be the utility model proposes a kind of grug feeding device for cultivated strawberry rearview;
Fig. 3 be the utility model proposes a kind of grug feeding device for cultivated strawberry in fanning strip sectional side view;
Fig. 4 be the utility model proposes a kind of grug feeding device for cultivated strawberry in part A structure amplification signal Figure;
Fig. 5 be the utility model proposes a kind of grug feeding device for cultivated strawberry in part B structure amplification signal Figure;
Fig. 6 be the utility model proposes a kind of grug feeding device for cultivated strawberry in fix the structural representation of slot part Figure.
In figure: 1 riser, 2 belt wheels, 3 motors, 4 transverse slats, 5 fanning strips, 6 first crank slots, 7 second crank slots, 8 first straight pins, 9 spray bars, 10 connecting plates, 11 second straight pins, 12 annular sleeves, 13 screw rods, 14 translots, 15 sliding blocks, 16 fixing grooves, 17 frictions Plate, 18 connecting rods, 19 buttons, 20 connecting columns, 21 first springs, 22 travellers, 23 baffles, 24 second springs, 25 fixed plates, 26 synchronize Band, 27 columns, 28 bottom plates, 29 idler wheels.
Specific embodiment
Following embodiment only exists in illustrative purpose, without being intended to limitation the scope of the utility model.
Embodiment
Referring to Fig.1-6, a kind of grug feeding device for cultivated strawberry, including multiple risers 1 use on each riser 1 Bearing is rotatably connected to a shaft, is welded with a belt wheel 2 in each shaft, each riser 1 far from belt wheel 2 one End is welded with fanning strip 5, and first crank slot 6 and the second crank slot 7, each first crank slot, 6 He are offered on each fanning strip 5 First straight pin 8 is slidably connected inside second crank slot 7, two the first straight pins 8 on the same fanning strip 5 It is welded with spray bar 9 and connecting plate 10 jointly, connecting plate 10 and spray bar 9 are located at the two sides of fanning strip 5, the first crank slot 6 and Two crank slots 7 are circular arc type, and the circular arc center of circle of the first crank slot 6 and the second crank slot 7 is located at same point, the middle part of each connecting plate 10 It is welded with second straight pin 11, is arranged with an annular sleeve 12 on each second straight pin 11;When spray bar 9 is swung Two the first straight pins 8 slide in the first crank slot 6 and the second crank slot 7 respectively.
A transverse slat 4 is welded on each riser 1, each transverse slat 4 is respectively positioned on the belt wheel 2 and fanning strip 5 of corresponding position Between, a translot 14 is offered on each transverse slat 4, and a sliding block 15, each cross are slidably connected in each translot 14 Slot 14 is the square structure worked in coordination with corresponding sliding block 15, can not be in sliding slot 14 when sliding block 15 slides in sliding slot 14 Rotation, each 15 middle part of sliding block offer first circular through hole, and the first circular through hole internal slide is socketed with screw rod 13, When screw rod 13 is moved with sliding block 15, it is ensured that screw rod 13 slides only in horizontal direction;
Fixing groove 16 is offered on belt wheel 2, there are two friction plates 17, two friction plates 17 to use pin for setting in fixing groove 16 Axis common rotation is connected with a connecting column 20, and two friction plates 17 are welded with the first spring 21 jointly, and each friction plate 17 is mutually Mutually separate side is welded with a connecting rod 18, and the side of two connecting rods 18 away from each other is welded with a button 19, connecting column 20 is rotatably connected to a traveller 22 using bearing, and second circular through hole is offered on each traveller 22, Second circular through hole and the first circular through hole are slidably located in jointly on screw rod 13, and screw rod 13 is threadedly secured in annular sleeve 12, Two friction plates 17 generate biggish frictional force when offseting jointly with the inner wall of fixing groove 16, so that friction plate 17 and fixing groove 20 Between can not generate relative movement, it is ensured that the position of connecting column 20 stablize;Push button 19 makes two friction plates in the present apparatus 17 with the disengaging of fixing groove 16 offset state when, that is, may make between friction plate 17 and fixing groove 16 opposite sliding, mobile connection column 20 position.
It is welded with second spring 21 jointly between two opposite friction plates 17 of position;Every two riser 1 adjacent to each other Between fixed plate 25 is welded and fixed jointly, be arranged with synchronous belt 26 jointly between every two belt wheel 2 adjacent to each other;One belt wheel Multiple belt wheels 2 can be driven to rotate together by synchronous belt 26 when 2 rotation, multiple spray bars 9 is driven to rotate while generate spray Effect.
It is fixedly connected with motor 3 using bolt on one of riser 1, the output shaft of motor 3 is weldingly fixed on corresponding position In the shaft set, 3 can be clicked by one and multiple belt wheels 2 is driven to rotate simultaneously, save a large amount of cost.
Each fanning strip 5 is fan-shaped ring structure, and the center point that spray bar 9 is directed toward the first crank slot 6 is sprayed insecticide;Wherein One 25 lower end of fixed plate is welded with column 27, and column 27 is welded with bottom plate 28, bottom far from one end of fixed plate 25 Plate 28 is symmetrically arranged with multiple idler wheels 29 far from the side of fixed plate 25, and the present apparatus easy to remove pushes 28 part-structure of bottom plate It may make that the present apparatus is mobile in strawberry cultivating region, pesticide spraying work carried out to a whole strawberry;
It is welded with baffle 23 on screw rod 13, second spring 24, one end of second spring 24 and baffle are arranged on screw rod 13 23 offset, and the other end and the sliding block 15 of second spring 24 offset, and second spring 24 has the tendency that lead-screw 13 moves upwards, and make Obtaining 9 part of spray bar has the tendency that being reset to center.
In the utility model, a spray head, water pump and medicine of each spray head with the external world are provided in each spray bar 9 Pot connection, when pump working, can spray the medicine in medicine pot from spray head.
When motor 3 works in the present apparatus, output shaft rotation drives coupled belt wheel 2 to rotate, due to connecting column 20 It is eccentrically set on belt wheel 2, so traveller 22 thereon is therewith around the center rotating of belt wheel 2 when motor 3 is rotated with movable belt pulley 2 While also rotated relative to connecting column 20, and screw rod 13 is slidably connected on strut 22.So when belt wheel 2 rotates, driving spiral shell 13 bilateral reciprocation of bar.
Due to being provided with translot 14 on transverse slat 4, and sliding block 15 is only capable of sliding wherein, and screw rod 13 always protect by opposing slider 15 Plumbness and opposite sliding are held, so sliding block 15 can guarantee that screw rod 13 begins when motor 3 drives 13 bilateral reciprocation of screw rod It is in a vertical state eventually.
First straight pin 8, and two the first cylinders are arranged in the first crank slot 6 and the second crank slot 7 in the present apparatus Pin 8 is fixedly connected with a spray bar 9, so spray bar 9 can be swung around the centre swinging of the first crank slot 6 and the second crank slot 7 Two the first straight pins 8 slide in the first crank slot 6 and the second crank slot 7 respectively in journey, and spray bar 9 is directed toward the first crank slot always 6 and second crank slot 7 the center point, when work, strawberry is made to be located at the center point of the first crank slot 6 and the second crank slot 7, spray bar Pesticide sprays to strawberry always in 9 swing process, so that being all sprayed on strawberry as far as possible for pesticide, avoids agriculture Medicine is sprayed to wasting situation on soil.
Since screw rod 13 is threadedly coupled fixation with annular sleeve 12, thus screw rod 13 and annular sleeve 12 be always positioned at it is same vertical In plane, when motor 3 drives 13 side-to-side movement of screw rod, annular sleeve 12 is rotated relative to the second straight pin 11, and then guarantees screw rod 13 Can proper motion, 9 reciprocally swinging of spray bar is driven in motion process;When screw rod 13 drives 9 reciprocally swinging of spray bar, sliding block 15 It horizontally slips in translot 14 with screw rod 13, while 13 opposing slider 15 of screw rod slides up and down.
Since screw rod 13 remains vertical state in the present apparatus, so two extreme positions of screw rod 13 are annular sleeve 12 extreme position, and then the extreme angles of the swing of spray bar 9 are limited, straight line of the traveller 22 away from 2 center of belt wheel in the present apparatus Two times of distance are the distance of two extreme positions of screw rod 13, so can be by adjusting position of the traveller 22 in fixing groove 16 Set two extreme positions of adjustment screw 13.
The first spring 21 in fixing groove 16 between two friction plates 17 makes friction plate 17 closely offset with fixing groove 16, Ensure to possess biggish frictional force between friction plate 17 and the inner wall of fixing groove 16, ensure that two friction plates 17 and connecting column 20 The relative position of part-structure and belt wheel 2 is relatively stable, it is ensured that in 2 rotation process of belt wheel position will not occur for two friction plates 17 It moves.When needing mobile connection column 20, presses two buttons 19 and two friction plates 17 is made to generate rotation relative to connecting column 20, this When two friction plates 17 do not offset closely with the inner wall of fixing groove 16, mobile friction plate 17 and connecting column that at this time can be relatively simple 20, when mobile connection column 20 makes it away from the center of circle of belt wheel 2, two extreme positions distance of screw rod 13 increases, spray bar 9 Swing angle increases;Otherwise two critical distances of screw rod 13 reduce, and the swing angle of spray bar 9 reduces.
Although it is bent that riser 1, belt wheel 2, motor 3, transverse slat 4, fanning strip 5, the first crank slot 6, second is used more herein Slot 7, the first straight pin 8, spray bar 9, connecting plate 10, the second straight pin 11, annular sleeve 12, screw rod 13, translot 14, sliding block 15, Fixing groove 16, friction plate 17, connecting rod 18, button 19, connecting column 20, the first spring 21, traveller 22, baffle 23, second spring 24, The terms such as fixed plate 25, synchronous belt 26, column 27, bottom plate 28, idler wheel 29, but it does not exclude the possibility of using other terms. The use of these terms is merely for the convenience of describing and explaining the nature of the invention;It is construed as any one Additional limitation is all contrary to the spirit of the present invention.

Claims (8)

1. a kind of grug feeding device for cultivated strawberry, including multiple risers (1), which is characterized in that on each riser (1) It is rotatably connected to a shaft using bearing, a belt wheel (2) is welded in each shaft, it is each described perpendicular Plate (1) is welded with fanning strip (5) far from the one end of belt wheel (2), offers first crank slot on each fanning strip (5) (6) and the second crank slot (7), each first crank slot (6) and the second crank slot (7) inside slidably connect first cylinder It sells (8), two the first straight pins (8) being located on the same fanning strip (5) are welded with spray bar (9) and connecting plate jointly (10), the connecting plate (10) and spray bar (9) are located at the two sides of fanning strip (5), first crank slot (6) and the second crank slot It (7) is circular arc type, the circular arc center of circle of first crank slot (6) and the second crank slot (7) is located at same point, each connecting plate (10) middle part is welded with second straight pin (11), is arranged with an annular on each second straight pin (11) It covers (12);A transverse slat (4) is welded on each riser (1), each transverse slat (4) is respectively positioned on the band of corresponding position It takes turns between (2) and fanning strip (5), a translot (14) is offered on each transverse slat (4), each translot (14) is interior A sliding block (15) is slidably connected, each translot (14) is the rectangular knot worked in coordination with corresponding sliding block (15) Structure, each sliding block (15) middle part offer first circular through hole, the first circular through hole internal slide socket There are screw rod (13).
2. a kind of grug feeding device for cultivated strawberry according to claim 1, which is characterized in that on the belt wheel (2) It offers fixing groove (16), there are two friction plate (17), two friction plates (17) to use for setting in the fixing groove (16) Pin shaft common rotation is connected with a connecting column (20), and two friction plates (17) are welded with the first spring (21) jointly, often The side of a friction plate (17) away from each other is welded with a connecting rod (18), and two connecting rods (18) are remote mutually From side be welded with a button (19), the connecting column (20) is rotatably connected to a traveller (22) using bearing, often Second circular through hole is offered on a traveller (22), second circular through hole is slided jointly with the first circular through hole Dynamic to be set on screw rod (13), the screw rod (13) is threadedly secured on annular sleeve (12).
3. a kind of grug feeding device for cultivated strawberry according to claim 2, which is characterized in that opposite two in position Second spring (21) are welded between friction plate (17) jointly.
4. a kind of grug feeding device for cultivated strawberry according to claim 1, which is characterized in that every two is adjacent to each other The riser (1) between be welded and fixed jointly fixed plate (25), covered jointly between the every two belt wheel (2) adjacent to each other Equipped with synchronous belt (26).
5. a kind of grug feeding device for cultivated strawberry according to claim 1, which is characterized in that one of them is described perpendicular It is fixedly connected with motor (3) on plate (1) using bolt, the output shaft of the motor (3) is weldingly fixed on the shaft of corresponding position On.
6. a kind of grug feeding device for cultivated strawberry according to claim 1, which is characterized in that each fanning strip It (5) is fan-shaped ring structure.
7. a kind of grug feeding device for cultivated strawberry according to claim 4, which is characterized in that one of them is described solid Fixed board (25) lower end is welded with column (27), and the column (27) is welded with bottom plate far from the one end of fixed plate (25) (28), the bottom plate (28) is symmetrically arranged with multiple idler wheels (29) far from the side of fixed plate (25).
8. a kind of grug feeding device for cultivated strawberry according to claim 2, which is characterized in that on the screw rod (13) It is welded with baffle (23), is arranged with second spring (24) on the screw rod (13), one end of the second spring (24) and baffle (23) it offsets, the other end and the sliding block (15) of the second spring (24) offset.
CN201821993595.5U 2018-11-30 2018-11-30 A kind of grug feeding device for cultivated strawberry Expired - Fee Related CN209436089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821993595.5U CN209436089U (en) 2018-11-30 2018-11-30 A kind of grug feeding device for cultivated strawberry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821993595.5U CN209436089U (en) 2018-11-30 2018-11-30 A kind of grug feeding device for cultivated strawberry

Publications (1)

Publication Number Publication Date
CN209436089U true CN209436089U (en) 2019-09-27

Family

ID=68013180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821993595.5U Expired - Fee Related CN209436089U (en) 2018-11-30 2018-11-30 A kind of grug feeding device for cultivated strawberry

Country Status (1)

Country Link
CN (1) CN209436089U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109548772A (en) * 2018-11-30 2019-04-02 天津农学院 A kind of grug feeding device for cultivated strawberry
CN109548772B (en) * 2018-11-30 2024-05-17 天津农学院 A laxative device for strawberry cultivation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109548772A (en) * 2018-11-30 2019-04-02 天津农学院 A kind of grug feeding device for cultivated strawberry
CN109548772B (en) * 2018-11-30 2024-05-17 天津农学院 A laxative device for strawberry cultivation

Similar Documents

Publication Publication Date Title
CN107637849A (en) A kind of agricultural production swing type potato washing device
CN107897955A (en) A kind of food processing peanut hulling machine
CN108855896A (en) A kind of agricultural breeding seed screening plant
CN109465071A (en) A kind of grain mill
CN113080090A (en) Promote comfortable body device of milk goat milk quality of producing
CN209436089U (en) A kind of grug feeding device for cultivated strawberry
CN208597600U (en) A kind of mechanical device spilling medicine deinsectization for crops
CN213486534U (en) Insect expelling device for vegetable greenhouse
CN109548772A (en) A kind of grug feeding device for cultivated strawberry
CN109644671A (en) A kind of agricultural production weeding fertilising pusher gear
CN108212754A (en) Agriculture walnut swings multilevel screening device
CN108837752A (en) A kind of honeysuckle plantation nutrient solution mixed stirring device
CN208958702U (en) A kind of automatic neck massaging device
CN109548772B (en) A laxative device for strawberry cultivation
CN110100754A (en) A kind of pet skin spray and spray equipment of becoming mildewed
CN208940578U (en) A kind of irrigation rig of recyclable sprinkling
CN213074171U (en) Pesticide sprinkler is planted to maize
CN209500212U (en) A kind of medical the spleen-stomach diseases channels and collaterals percussion physical therapy device
CN107349448A (en) A kind of plant's chlorination equipment
CN208990875U (en) A kind of crank type is continuously pounded medicine in a mortar device
CN208516387U (en) A kind of sliding equipment of drug delivery device in drug automation equipment
CN106912972B (en) A kind of base of fruit removal device
CN214160702U (en) Soybean elutriation device for agricultural product processing
CN213984349U (en) A drying equipment for health products production
CN208425465U (en) A kind of agricultural production swing type potato washing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190927

Termination date: 20201130