CN201601971U - Manual fertilizer applicator - Google Patents
Manual fertilizer applicator Download PDFInfo
- Publication number
- CN201601971U CN201601971U CN2010201100362U CN201020110036U CN201601971U CN 201601971 U CN201601971 U CN 201601971U CN 2010201100362 U CN2010201100362 U CN 2010201100362U CN 201020110036 U CN201020110036 U CN 201020110036U CN 201601971 U CN201601971 U CN 201601971U
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- Prior art keywords
- hopper
- lobe
- accumulator
- material mouth
- connecting rod
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The utility model relates to a manual fertilizer applicator, which comprises a hopper, a central shaft, a stocker, an elastic catch, a shifting pin mechanism, a link mechanism, a movable handle, a feeding pipe and an application nozzle. The central shaft sequentially penetrates through the hopper, the stocker, the elastic catch and a link mechanism and is tightly locked through a locking piece. The stocker is fixed in the cavity of the hopper. The stocker is of a cylindrical structure. N grooves are evenly distributed around the circumference of the stocker in the radial direction. Ratchets with number equal to the number of the grooves are arranged on one end surface of the stocker. One end of the feeding pipe is fixedly connected with the hopper, the other end of the feeding pipe is fixedly connected with the application nozzle and the middle section of the feeding pipe penetrates through the movable handle. One end of the shifting pin mechanism is fixed on the link mechanism and the other end of the shifting pin mechanism penetrates through the link mechanism and the hopper and leans against the vertical end surface of one ratchet of the stocker. The utility model has the advantages that the application is wide, the operation is simple and convenient, the power and the oil are not consumed, the economy is high, the environment is protected and the safety is high; the positioning is accurate, the efficiency is high and the fertilizer dosage can be adjusted according to the different growth periods of plants; and the strength is high, the water resistance and the corrosion resistance are high and the price is low.
Description
Technical field
The utility model relates to a kind of fertilizer distributor, relates in particular to a kind of manual fertilizer distributor that crop root part is applied fertilizer of being suitable for, and belongs to agricultural mechanical field.
Background technology
At present, in many rural areas of China, particularly be made as the rural area of farming unit with family contracting, the peasant substantially is to adopt the mode of manually shedding to crops method to fertilize, though this method is easy, but people also do not notice, chemical fertilizer after shedding is stayed on plant leaf surface or the soil surface, can stay many adverse consequencess.The first has reduced the effect of chemical fertilizer, because be easy to volatilization at the chemical fertilizer of plant leaf surface or soil surface, plant has just vapored away toward the nutrient that contact has little time to absorb chemical fertilizer, and the absorption ratio of chemical fertilizer nutrient is low; It two is the consumptions that increase chemical fertilizer, strengthens production cost, can absorb enough nutrients because will guarantee plant, remedies the loss of chemical fertilizer volatilization, and more people must apply fertilizer or increase the number of times of fertilising; The 3rd is rainy as running into, and chemical fertilizer can pollute water resource environment after being poured the river course, enter the lake by rainwater, and month after month, the harm that causes is difficult to the appraisal throughout the year.Except that above-mentioned some, also have some plants can only absorb the nutrient of chemical fertilizer from root, can not be from Foliage Absorption, if being sprinkling upon plant surface, its nutrient, chemical fertilizer just do not play effect substantially, when people will implement the individual plant fertilising to crops sometimes, usually adopt hoe to excavate plant root earth, so not only efficient is low, also dig easily and hinder the crops coring, influence the growth of crop.
In recent years, people have seen that also China agricultural machinery manufacturing enterprise develops some fertilizer distributors, but these equipment majorities are applicable to the fertilising of large-area crops, and to small size or plant crops in the hilly country, these fertilizer distributors are difficult to play a role.And the cost height of these fertilizer distributors, have high input, general peasant household also holds and can't stand.In addition, the accuracy of the control of the fertilizing amount of this large-scale fertilizer distributor and fertilising point is still waiting to improve.
The utility model content
For overcoming above-mentioned defective, the purpose of this utility model is to provide a kind of manual fertilizer distributor, and this fertilizer distributor is simple to operate, fertilizer can be joined plant roots accurately, and the efficient height, and cost is low.
The utility model is to realize above-mentioned purpose like this:
A kind of manual fertilizer distributor comprises hopper, central shaft, accumulator, elastic block piece, finger mechanism, linkage, flexible handle, passage, executes the material mouth; Described central shaft passes an end of hopper, accumulator, elastic block piece, linkage successively, and by locking member locking, described central shaft is fixed in accumulator in the cavity of hopper; Described accumulator is cylindrical structure, at its circumference radial equipartition n groove is arranged, and on an end face of accumulator the ratchet identical with the number of groove is arranged, and the perpendicular end surface of described ratchet and the center line of groove are positioned at on the one side; Described passage one end is fixedlyed connected with hopper, and the mouth of pipe is relative with an accumulator circumference groove radially, the other end with execute the material mouth fixedly connected, interlude passes flexible handle, described flexible handle can slide on passage; One end of described finger mechanism is fixed on the linkage, and the other end passes a connecting rod of linkage and hopper and offsets with the perpendicular end surface of a ratchet of accumulator; The other end of described linkage and flexible handle and execute the material mouth and fixedly connected; Paxilla on the described elastic block piece passes hopper and offsets with the perpendicular end surface of another ratchet of accumulator.This catch is in order to prevent the reverse of accumulator.
Described finger mechanism comprises locking cap, spring, finger, and described spring is positioned at the finger upper end, and its end face contacts with the finger end face, and is positioned at locking cap; The diameter of described spring is less than or equal to the diameter of finger; Described locking cap is fixedlyed connected with linkage; Described finger passes a connecting rod of linkage and hopper and offsets with the perpendicular end surface of a ratchet of accumulator, and finger phase linkage slidably.
Described linkage comprises long connecting rod, short connecting rod, is connected by pin between described long connecting rod and the short connecting rod, and the other end of described long connecting rod is fixedlyed connected with flexible handle by screw, and the other end of described short connecting rod passes central shaft; The locking cap of described finger mechanism is fixedlyed connected with short connecting rod by screw; The finger of described finger mechanism passes short connecting rod and hopper and offsets with the perpendicular end surface of a ratchet of accumulator, and the relative short connecting rod of finger slidably.
For making flexible handle to automatically reset, also comprise elastic component, fixed handle, described fixed handle is fixed on the passage, and described elastic component is between flexible handle and fixed handle.For preventing that flexible handle from excessively resetting, one collar that is fixed in passage is arranged at the other end of flexible handle.
The described material mouth of executing is cone-shaped structure, comprise and execute material mouth left side lobe, execute the right lobe of material mouth, describedly execute material mouth left side lobe, execute between the right lobe of material mouth and be fixed in passage by bearing pin, and can rotate around bearing pin, describedly execute material mouth left side lobe, execute the right lobe of material mouth and respectively pick up the ears, described execute between material mouth and the linkage by two pull bars respectively an end be fixed in and execute material mouth left side lobe, execute on the picking up the ears of the right lobe of material mouth, the other end is fixed on the screw between long connecting rod and the flexible handle and is connected.It is to help the fertilizer distributor operator accurately to locate the crops fertilizer placement that the material mouth is executed in employing, and squeezes a hole so that fertilizer enters the depth of soils in the earth depths at this place, makes cone tip shape and execute material mouth end, mainly is to be inserted in the soil when being convenient to apply fertilizer.
Described hopper comprises lobe before the hopper, hopper back lobe, hopper cover, lobe, hopper back lobe button and be in the same place before the described hopper, and fixedly connected by screw, and described hopper cover is closely buckled on the end face of lobe before the hopper, hopper back lobe, on the described hopper cover charging aperture is arranged; There are one a section arc-shaped through-hole and a circular hole in the lobe side before the described hopper, and the perpendicular end surface that the finger of described finger mechanism passes a ratchet of the arc-shaped through-hole of lobe before short connecting rod and the hopper and accumulator offsets; Paxilla on the described elastic block piece passes the circular hole of lobe before the hopper and offsets with the perpendicular end surface of another ratchet of accumulator; Described accumulator is fixed in the cavity of the preceding lobe of hopper, hopper back lobe composition; Described passage one end by screws clamp before hopper between lobe, the hopper back lobe.
For controlling what of fertilizing amount, at the bottom land of accumulator screwed hole is arranged, described screwed hole matches with a screw, fixes one and the corresponding thin slice of shape of cross section of groove on screw.Move up and down by turning screw drive thin slice, get final product the size of the volume of control flume.
Groove on the described accumulator is a cylindrical groove, and the quantity n of described groove is 6.
Described locking member is a nut; Described elastic component is a spring.
During work: from the charging aperture of hopper cover, in hopper, fill it up with chemical fertilizer, and chemical fertilizer holds the groove relative with the hopper cover charging aperture on the full accumulator, the operator grasps fixed handle, the pulling flexible handle is swung with drive link mechanism, and stir ratchet by the finger of the finger mechanism on the short connecting rod, drive accumulator around central shaft do directed, decide angular turn.Simultaneously, flexible handle drives to execute by pull bar and expects that mouth opens.Turn over the distance of a ratchet when accumulator after, unclamp flexible handle, then under the elastic force effect, flexible handle automatically resets, thereby drivening rod mechanism resets, and linkage then drives the finger revolution, and finger overcomes the elastic force of the spring on it in turning course, sliding in surface along next ratchet, offsets until the perpendicular end surface with this ratchet.Simultaneously, flexible handle drives by pull bar and executes material mouth closure.Reciprocal with this, when accumulator holds the groove that chemical fertilizer is arranged when relative with the passage mouth of pipe, near the earth that the operator will execute the material mouth perpendicular alignmnet plant root is exerted pressure, make and execute material mouth insertion depth of soils, spur flexible handle then, execute the material mouth and open, it squeezes the earth around opening and forms a deep hole, and the chemical fertilizer in the storing tank slips in this hole automatically along passage; The operator extracts and executes the material mouth, unclamps flexible handle, and then flexible handle automatically resets under the effect of spring, promptly finishes the single-dose application process.Chemical fertilizer in the soil deep hole obtains covering by the downslide or the jamming on of operator of hole periphery earth, and is not volatile.
Advantage of the present utility model:
1. be widely used, can be used for the individual plant fertilising of crops such as paddy rice, corn, Chinese sorghum, vegetables, flowers and fruit tree or plant root; Both can also can be used for the fertilising of hills, hillside fields plant to the fertilising of the crops on the level land.
2. simple, convenient, can be according to the consumption of the different growth period adjustment fertilizer of plant.Its not power consumption need not be oily, economic environmental protection, safety.
3. accurate positioning, the efficient height, and also chemical fertilizer concentrates in the soil deep hole of plant root, easily by landfill; not volatile, particularly be not subject to rainwash, fertilizer long action time, effect height; can reduce the consumption of unit are chemical fertilizer, save production cost, protect resource environment.
4. most ABS plastic or the stainless steel materials of adopting of the parts of fertilizer distributor are made, intensity height, water-fast, corrosion resistant, especially often to contact moist earth for executing the material mouth, for preventing that executing the material mouth gets rusty, also has certain intensity and wearability at work, executes the material mouth and adopts the stainless steel material manufacturing.
Compact conformation, light and handy, aesthetic in appearance, price is low, general peasant household can accept.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation that the hopper back lobe is matched with accumulator, central shaft, finger mechanism, elastic block piece, short connecting rod.
Fig. 3 is the partial cutaway structural representation of finger mechanism.
Fig. 4 is the structural representation of lobe before the hopper.
Fig. 5 is the structural representation of partial cutaway at the groove place of accumulator.
Among the figure: lobe before the 1-hopper, 1-1-hopper, 1-2-hopper back lobe, 1-3-hopper cover, the 1-4-charging aperture, 1-5-arc-shaped through-hole, 1-6-circular hole, 2-central shaft, the 3-accumulator, 3-1-groove, 3-2-ratchet, 3-2-1-perpendicular end surface, the 3-3-screwed hole, 3-4-screw, 3-5-thin slice, 4-elastic block piece, the 4-1-paxilla, 5-flexible handle, 6-fixed handle, 7-elastic component, 8-passage, 9-are executed the material mouth, and 9-1-executes material mouth left side lobe, and 9-2-executes the right lobe of material mouth, 9-3-picks up the ears, 10-screw, 11-long connecting rod, the 12-short connecting rod, 13-pin, 14-nut, the 15-locking cap, 16-spring, 17-finger, the 18-collar, 19-bearing pin, 20-pull bar.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: a kind of manual fertilizer distributor comprises hopper 1, central shaft 2, accumulator 3, elastic block piece 4, finger mechanism, linkage, flexible handle 5, fixed handle 6, elastic component 7, passage 8, executes material mouth 9.
Linkage comprises long connecting rod 11, short connecting rod 12, is connected by pin 13 between long connecting rod 11 and the short connecting rod 12, and the other end of long connecting rod 11 is fixedlyed connected with flexible handle 5 by screw 10.
Finger mechanism comprises locking cap 15, spring 16, finger 17, and spring 16 is positioned at finger 17 upper ends, and its end face contacts with finger 17 end faces, and is positioned at locking cap 15; The diameter of present embodiment spring 16 is less than the diameter of finger 17; Locking cap 15 is fixedlyed connected with short connecting rod 12 by screw 10; Finger 17 passes the arc-shaped through-hole 1-5 of lobe 1-1 side before short connecting rod 12 and the hopper and offsets with the perpendicular end surface 3-2-1 of a ratchet 3-2 of accumulator 3, and finger 17 relative short connecting rods 12 slidably.Paxilla 4-1 on the elastic block piece 4 passes the circular hole 1-6 on the lobe 1-1 before the hopper and offsets with the perpendicular end surface 3-2-1 of another ratchet 3-2 of accumulator 3.
Execute material mouth 9 and be cone-shaped structure, comprise and execute material mouth left side lobe 9-1, execute the right lobe 9-2 of material mouth, execute material mouth left side lobe 9-1, execute between the right lobe 9-2 of material mouth and be fixed in passage 8 by bearing pin 19, and can be around bearing pin 19 rotations, execute material mouth left side lobe 9-1, execute the right lobe 9-2 of the material mouth 9-3 that respectively picks up the ears, by two pull bars 20 respectively an end be fixed in and execute material mouth left side lobe 9-1, execute on the 9-3 that picks up the ears of the right lobe 9-2 of material mouth, the other end is fixed on the screw 10 between long connecting rod 11 and the flexible handle 5.
For controlling what of fertilizing amount, at the bottom land of accumulator 3 screwed hole 3-3 is arranged, screwed hole 3-3 matches with a screw 3-4, fixes one and thin rounded flakes 3-5 on screw 3-4.
The utility model is when work: fill it up with chemical fertilizer from the charging aperture 1-4 of hopper cover 1-3 in hopper 1, chemical fertilizer holds the groove 3-1 relative with hopper cover charging aperture 1-4 on the full accumulator 3, operator grasps fixed handle 6, the swing of pulling flexible handle 5 drive link mechanisms, stir ratchet 3-2 by the finger on the short connecting rod 12 17, drive accumulator 3 and make orientation, decide angular turn around central shaft 2.Simultaneously, flexible handle 5 drives to execute by pull bar 20 and expects that mouth 9 opens.After accumulator 3 turns over a ratchet distance, unclamp flexible handle 5, under the elastic force effect, flexible handle 5 automatically resets, thereby drivening rod mechanism resets, and linkage then drives finger 17 revolutions, and finger 17 overcomes the elastic force of the spring 16 on it in turning course, sliding in surface along next ratchet 3-2, offsets until the perpendicular end surface 3-2-1 with this ratchet 3-2.Simultaneously, flexible handle 5 drives by pull bar 20 and executes material mouth 9 closures.Reciprocal with this, when accumulator 3 holds when having the groove of chemical fertilizer 3-1 relative with passage 8 mouths of pipe, near the earth that the operator will execute the material mouth 9 perpendicular alignmnet plant roots is exerted pressure, make and execute material mouth 9 insertion depths of soils, spur flexible handle 5 then, execute material mouth 9 and open, the chemical fertilizer in the accumulator 3 groove 3-1 slips in this hole automatically along passage 8; The operator extracts and executes material mouth 9, unclamps flexible handle 5, and then flexible handle 5 automatically resets under the effect of elastic component 7, promptly finishes the single-dose application process.
The operator is when using fertilizer distributor, if fertilizing amount is little or under reinforced situation easily, can directly use fertilizer distributor operation described in the utility model.If fertilizing amount is big or during reinforced inconvenience, can be earlier (the utility model is the specialized designs fertilizer can not at back with the fertilizer can back of the body, people can utilize a cylinder device or discarded sprayer water tank to replace), the fertilizer in the fertilizer can be transported in the hopper 1 of fertilizer distributor by flexible pipe.
The utility model is widely used, and is simple, convenient, and not power consumption need not be oily, economic environmental protection, safety; Accurate positioning, the efficient height can be saved production cost according to the consumption of the different growth period adjustment fertilizer of plant, helps the resource conservation environment; Intensity height, water-fast, corrosion resistant, compact conformation, light and handy, aesthetic in appearance, price is low, general peasant household can accept.
Claims (10)
1. a manual fertilizer distributor is characterized in that, comprises hopper, central shaft, accumulator, elastic block piece, finger mechanism, linkage, flexible handle, passage, executes the material mouth; Described central shaft passes an end of hopper, accumulator, elastic block piece, linkage successively, and by locking member locking, described central shaft is fixed in accumulator in the cavity of hopper; Described accumulator is cylindrical structure, at its circumference radial equipartition n groove is arranged, and on an end face of accumulator the ratchet identical with the number of groove is arranged, and the perpendicular end surface of described ratchet and the center line of groove are positioned at on the one side; Described passage one end is fixedlyed connected with hopper, and the mouth of pipe is relative with an accumulator circumference groove radially, the other end with execute the material mouth fixedly connected, interlude passes flexible handle, described flexible handle can slide on passage; One end of described finger mechanism is fixed on the linkage, and the other end passes a connecting rod of linkage and hopper and offsets with the perpendicular end surface of a ratchet of accumulator; The other end of described linkage and flexible handle and execute the material mouth and fixedly connected; Paxilla on the described elastic block piece passes hopper and offsets with the perpendicular end surface of another ratchet of accumulator.
2. manual fertilizer distributor according to claim 1 is characterized in that, described finger mechanism comprises locking cap, spring, finger, and described spring is positioned at the finger upper end, and its end face contacts with the finger end face, and is positioned at locking cap; The diameter of described spring is less than or equal to the diameter of finger; Described locking cap is fixedlyed connected with linkage; Described finger passes a connecting rod of linkage and hopper and offsets with the perpendicular end surface of a ratchet of accumulator, and finger phase linkage slidably.
3. manual fertilizer distributor according to claim 1 and 2, it is characterized in that, described linkage comprises long connecting rod, short connecting rod, be connected by pin between described long connecting rod and the short connecting rod, the other end of described long connecting rod is fixedlyed connected with flexible handle by screw, and the other end of described short connecting rod passes central shaft; The locking cap of described finger mechanism is fixedlyed connected with short connecting rod by screw; The finger of described finger mechanism passes short connecting rod and hopper and offsets with the perpendicular end surface of a ratchet of accumulator, and the relative short connecting rod of finger slidably.
4. manual fertilizer distributor according to claim 1 is characterized in that, also comprises elastic component, fixed handle, and described fixed handle is fixed on the passage, and described elastic component is between flexible handle and fixed handle.
5. according to claim 1 or 4 described manual fertilizer distributors, it is characterized in that one collar that is fixed in passage being arranged at the other end of flexible handle.
6. manual fertilizer distributor according to claim 3, it is characterized in that, the described material mouth of executing is cone-shaped structure, comprise and execute material mouth left side lobe, execute the right lobe of material mouth, describedly execute material mouth left side lobe, execute between the right lobe of material mouth and be fixed in passage by bearing pin, and can rotate around bearing pin, describedly execute material mouth left side lobe, execute the right lobe of material mouth and respectively pick up the ears, described execute between material mouth and the linkage by two pull bars respectively an end be fixed in and execute material mouth left side lobe, execute on the picking up the ears of the right lobe of material mouth, the other end is fixed on the screw between long connecting rod and the flexible handle and is connected.
7. manual fertilizer distributor according to claim 3, it is characterized in that, described hopper comprises the preceding lobe of hopper, hopper back lobe, hopper cover, lobe, hopper back lobe button and be in the same place before the described hopper, and it is fixedly connected by screw, described hopper cover is closely buckled on the end face of the preceding lobe of hopper, hopper back lobe, on the described hopper cover charging aperture is arranged; There are one a section arc-shaped through-hole and a circular hole in the lobe side before the described hopper, and the perpendicular end surface that the finger of described finger mechanism passes a ratchet of the arc-shaped through-hole of lobe before short connecting rod and the hopper and accumulator offsets; Paxilla on the described elastic block piece passes the circular hole of lobe before the hopper and offsets with the perpendicular end surface of another ratchet of accumulator; Described accumulator is fixed in the cavity of the preceding lobe of hopper, hopper back lobe composition; Described passage one end by screws clamp before hopper between lobe, the hopper back lobe.
8. manual fertilizer distributor according to claim 1 and 2 is characterized in that the bottom land of accumulator has screwed hole, and described screwed hole matches with a screw, on screw, fix one with the corresponding thin slice of shape of cross section of groove.
9. manual fertilizer distributor according to claim 1 is characterized in that, the groove on the described accumulator is a cylindrical groove, and the quantity n of described groove is 6.
10. according to claim 1 or 4 described manual fertilizer distributors, it is characterized in that described locking member is a nut; Described elastic component is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201100362U CN201601971U (en) | 2010-02-09 | 2010-02-09 | Manual fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201100362U CN201601971U (en) | 2010-02-09 | 2010-02-09 | Manual fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601971U true CN201601971U (en) | 2010-10-13 |
Family
ID=42946672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201100362U Expired - Fee Related CN201601971U (en) | 2010-02-09 | 2010-02-09 | Manual fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601971U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582019A (en) * | 2012-02-22 | 2012-07-18 | 广东伊之密精密机械股份有限公司 | Pull rod fixing structure of mould pressing forming machine |
| CN109105230A (en) * | 2018-06-27 | 2019-01-01 | 高邮市普德家庭农场 | A kind of planting unit and implantation methods of Rice enriched-Se |
| CN111528069A (en) * | 2020-05-14 | 2020-08-14 | 张立 | Crop root fertilizing device |
-
2010
- 2010-02-09 CN CN2010201100362U patent/CN201601971U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582019A (en) * | 2012-02-22 | 2012-07-18 | 广东伊之密精密机械股份有限公司 | Pull rod fixing structure of mould pressing forming machine |
| CN102582019B (en) * | 2012-02-22 | 2015-04-08 | 广东伊之密精密机械股份有限公司 | Pull rod fixing structure of mould pressing forming machine |
| CN109105230A (en) * | 2018-06-27 | 2019-01-01 | 高邮市普德家庭农场 | A kind of planting unit and implantation methods of Rice enriched-Se |
| CN111528069A (en) * | 2020-05-14 | 2020-08-14 | 张立 | Crop root fertilizing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20120209 |