CN108781707A - Noiseless low temperature grass trimmer - Google Patents
Noiseless low temperature grass trimmer Download PDFInfo
- Publication number
- CN108781707A CN108781707A CN201810712579.2A CN201810712579A CN108781707A CN 108781707 A CN108781707 A CN 108781707A CN 201810712579 A CN201810712579 A CN 201810712579A CN 108781707 A CN108781707 A CN 108781707A
- Authority
- CN
- China
- Prior art keywords
- low temperature
- installing frame
- frame
- incubator
- grass trimmer
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/08—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/08—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator
- A01D34/10—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator with motor driven cutters or wheels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/40—Other details
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
- A01D57/02—Devices for leading crops to the mowing apparatus using reels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
- A01D57/02—Devices for leading crops to the mowing apparatus using reels
- A01D57/03—Devices for leading crops to the mowing apparatus using reels with supplementary controlled movement of the crop-engaging members, e.g. of the tines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/18—Safety devices for parts of the machines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/20—Devices for protecting men or animals
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a kind of noiseless low temperature grass trimmer, it is related to engineering device technique field of living.It includes the installing frame of square frame-shaped；The left and right sides of installing frame is uniformly equipped with wheel；The rear portion of installing frame is equipped with handrail；The inside of installing frame is equipped with low temperature mowing-apparatus；The low temperature mowing-apparatus includes incubator；There is liquid nitrogen in incubator；The base end wall of incubator is heat-conducting plate；Incubator upper center is communicated with funnel, and funnel top is less than the top of protecting frame；Fixing sleeve is connected to the protecting frame of square frame-shaped on the outside of incubator；Connection is slided up and down inside the protecting frame and installing frame；The equal screw thread in left and right ends of installing frame is equipped with puller bolt.The beneficial effects of the invention are as follows：Irreversible frost is caused to the cauline leaf of plant using extremely low temperature, and is become fragile, realizes mowing effect, cost is relatively low, noiseless, and will not cause airborne dust.
Description
Technical field
The present invention relates to afforestation engineering device technique fields.
Background technology
It in life, is commonly in during lawn growth, lawn is modified with grass trimmer, avoid growing excessively high, biography
The grass trimmer of system is mowed using the mowing disk of high-speed rotation, and there are more problems, such as：Noise is very big, high-speed rotation
And bulky machine itself causes very big noise, and is difficult to eliminate, and especially in living area or the ground such as campus, noise
It causes to seriously affect；The rotation of high speed also causes flying upward for blade of grass clast dust simultaneously, influences the breathing environment of surrounding, mowing work
Working environment residing for author is more severe.
Invention content
The technical problems to be solved by the invention are to be directed to above-mentioned technical deficiency, provide a kind of noiseless low temperature
Grass trimmer.Irreversible frost is caused to the cauline leaf of plant using extremely low temperature, and is become fragile, realize mowing effect, cost compared with
It is low, it is noiseless, and airborne dust will not be caused.
The technical solution adopted by the present invention is：A kind of noiseless low temperature grass trimmer is provided, the installing frame of square frame-shaped is included；Peace
The left and right sides to frame up is uniformly equipped with wheel；The rear portion of installing frame is equipped with handrail；The inside of installing frame is equipped with low temperature and cuts
Careless device；
The low temperature mowing-apparatus includes incubator；There is liquid nitrogen in incubator；The base end wall of incubator is heat-conducting plate；Heat preservation
Case upper center is communicated with funnel, and funnel top is less than the top of protecting frame；Fixing sleeve is connected to the guarantor of square frame-shaped on the outside of incubator
Protect frame；Connection is slided up and down inside the protecting frame and installing frame；The equal screw thread in left and right ends of installing frame, which is equipped with, holds out against spiral shell
Bolt.
The technical program is advanced optimized, the rear end of the installing frame of noiseless low temperature grass trimmer is equipped with the auxiliary dress that falls off
It sets；The auxiliary device that falls off includes rotation axis；The middle part of rotation axis is coaxially socketed with supporting roller；The circumference side of rotation axis
Uniformly it is fixed with the poke rod being obliquely installed；It is respectively and fixedly provided with guide plate at left and right sides of the installation back end of frame；Two guide plates
Opposite side has vertical guide groove；The left and right ends of rotation axis are slidably matched with the guide groove of the left and right sides respectively
Connection.
The technical program is advanced optimized, noiseless low temperature grass trimmer further includes disconnected careless auxiliary device；The disconnected grass is auxiliary
Device is helped to be included in the cutter slided below heat-conducting plate；Protecting frame is respectively and fixedly provided with guide rail at left and right sides of lower end；Cutter
Left and right two parts not Chuan Guo the left and right sides guide rail and be slidably connected with guide rail；The left and right sides of cutter is rotated by shaft
It is connected with the connecting rod being obliquely installed；The upper end of two connecting rods is fixedly connected by cross bar.
The technical program is advanced optimized, rear side is equipped with thermometric display mould on the installing frame of noiseless low temperature grass trimmer
Block；The test side of thermometric display module is on heat-conducting plate.
The technical program is advanced optimized, the installing frame installed in front of noiseless low temperature grass trimmer has flashlight holder；Flashlight
Illumination flashlight is installed on holder.
The technical program is advanced optimized, the protecting frame inner upper end side of noiseless low temperature grass trimmer is equipped with fan；
Fan exhaust direction is opposite with funnel.
Advantageous effect of the present invention is：
1, using subzero 196 degree of the low temperature of liquid nitrogen, heat-conducting plate is made to be in low-temperature condition, the plant that rapid frostbite is contacted with heat-conducting plate
Stem and leaf part makes its death become fragile, and irreversible, achievees the purpose that cut off, and cost is relatively low, short into the frost time, does not make an uproar
Sound will not cause the large area of blade of grass to be flown upward automatically；
2, fall off the rotation of auxiliary device, and the stem and leaf part that most of death becomes fragile can be made to pass through and stirred, broken or fall off, under
The intact cauline leaf in portion is directly separated.Rotation axis slides up and down setting with guide plate and is suitable for topography variation, and supporting roller follows rotation
The rotation of rotation axis is driven, the poke rod being obliquely installed, which can touch, drives most cauline leaf, and circular-rotation drives cauline leaf
Stir, make it is crisp be partially disengaged, be not necessarily to electric power, substantially without noise；
3, the careless auxiliary device that breaks is used to clear up the cauline leaf of adhesion below heat-conducting plate, and cauline leaf is avoided to be bonded on heat-conducting plate and related stem
Leaf other parts, cutter can be rapidly performed by cutting, avoid related, pass through the band that connecting rod and cross bar carry out horizontal movement
It is dynamic, use more convenient safety；
4, thermometric display module can monitor and show the temperature of heat-conducting plate bottom end, monitor the service condition of liquid nitrogen, can carry out in time
Supplement；
5, substantially without noise, also grass cutting action can be carried out in night in living area, self illumination device is more convenient；
6, gasification generation nitrogen improves the flowing of air, nitrogen is avoided largely to assemble by small-sized fan under liquid nitrogen normal pressure,
Safer, small-sized fans noise is very low.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the bottom views structural schematic diagram of the present invention；
Fig. 3 is the low temperature mowing-apparatus planar structure schematic diagram of the present invention；
Fig. 4 is the assistant apparatus structure schematic diagram that falls off of the present invention；
Fig. 5 is the disconnected careless assistant apparatus structure schematic diagram of the present invention；
In figure, 1, installing frame；2, wheel；3, handrail；4, incubator；5, heat-conducting plate；6, funnel；7, protecting frame；8, puller bolt；
9, rotation axis；10, supporting roller；11, poke rod；12, guide plate；13, guide groove；14, cutter；15, guide rail；16, connecting rod；
17, cross bar；18, thermometric display module；19, flashlight holder；20, flashlight is illuminated；21, fan.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figs. 1-5, noiseless low temperature grass trimmer includes the installing frame 1 of square frame-shaped；The left and right sides of installing frame 1 is equal
It is even that wheel 2 is installed；The rear portion of installing frame 1 is equipped with handrail 3；The inside of installing frame 1 is equipped with low temperature mowing-apparatus；Described
Low temperature mowing-apparatus includes incubator 4；There is liquid nitrogen in incubator 4；The base end wall of incubator 4 is heat-conducting plate 5；On incubator 4
End middle part is communicated with funnel 6, and 6 top of funnel is less than the top of protecting frame 7；4 outside fixing sleeve of incubator is connected to the guarantor of square frame-shaped
Protect frame 7；It slides up and down and connect inside the protecting frame 7 and installing frame 1；The equal screw thread in left and right ends of installing frame 1 is equipped with top
Tight bolt 8；The rear end of installing frame 1 is equipped with the auxiliary device that falls off；The auxiliary device that falls off includes rotation axis 9；Rotation axis 9
Middle part be coaxially socketed with supporting roller 10；The circumference side of rotation axis 9 is uniformly fixed with the poke rod 11 being obliquely installed；Described
It is respectively and fixedly provided with guide plate 12 at left and right sides of 1 rear end of installing frame；Two opposite sides of guide plate 12 have vertical guiding
Slot 13；The left and right ends of rotation axis 9 are slidably connected with the guide groove of the left and right sides 13 respectively；It further include disconnected grass auxiliary dress
It sets；The disconnected careless auxiliary device is included in the cutter 14 that 5 lower section of heat-conducting plate is slided；The left and right sides of 7 lower end of protecting frame is equal
It is fixed with guide rail 15；Left and right two parts of cutter 14 not Chuan Guo the left and right sides guide rail 15 and be slidably connected with guide rail 15；It cuts
The left and right sides of cutter 14 is rotatably connected to the connecting rod 16 being obliquely installed by shaft；The upper end of two connecting rods 16 passes through
Cross bar 17 is fixedly connected；Rear side is equipped with thermometric display module 18 on installing frame 1；The test side of thermometric display module 18 is in heat conduction
On plate 5；1 installed in front of installing frame has flashlight holder 19；Illumination flashlight 20 is installed on flashlight holder 19；On 7 inside of protecting frame
End side side is equipped with fan 21；21 air draft direction of fan is opposite with funnel 6.
In the use of the present invention, the needs according to mowing height are, the height and position of protecting frame 7 is adjusted, to change heat conduction
The terrain clearance of plate 5, and extruding positioning is carried out using the puller bolt of the left and right sides 8, liquid nitrogen is then poured into guarantor by funnel 6
In incubator 4, heat-conducting plate 5 can be quickly cooled to extremely low temperature, and 4 other side walls of incubator are heat preservation heavy wall, reduce the conduction of heat.
When being mowed, heat-conducting plate 5 is pressed in the top of blade of grass, and the higher part of blade of grass directly connects with the heat-conducting plate of low temperature 5
It touches, quickly cooling frost, the Mortality that makes blade of grass contact with heat-conducting plate 5 and becomes fragile, have reached remove blade of grass height at this time
The purpose at end.Fall off the rotation of auxiliary device, can realize the more beautiful and quick separation for realizing blade of grass apoptotic fraction.It pushes away
When dynamic installing frame 1 moves and carries out the frost mowing in next region, supporting roller 10 follows rotation, and servo-actuated for low speed, drives
The pivoting of poke rod 11, poke rod 11 are contacted with processed blade of grass has been freezed, and can integrally be caused to stir to blade of grass, are squeezed
Pressure, bending etc., can make the part stress that blade of grass death becomes fragile fall off.
The present invention should work in the case where moisture is less.Under normal circumstances, blade of grass surface will not assemble large quantity of moisture, because
This is when contacting frost with heat-conducting plate 5, only blade of grass contact portion cryogenic freezing, and the frost of water will not be caused to condense substantially and connected
Band will not cause a large amount of blade of grass and 5 adhesion of heat-conducting plate.And disconnected careless auxiliary device can at any time cut 5 lower section of heat-conducting plate
Processing is cut, related and mobile resistance is reduced.Front and back promotion cross bar 17 can drive cutter 14 in 5 lower horizontal of heat-conducting plate
It is mobile, cutting and elimination is carried out to the blade of grass being bonded on heat-conducting plate 5, the root of blade of grass is fixed and upper end is frozen on heat-conducting plate 5, is cut
Cutter 14 can readily cut off blade of grass, if loosely or on a small quantity blade of grass bonding does not cause resistance, and death portion to bonding to movement
Divide and become fragile, disconnected blade of grass can be dragged when installing frame 1 moves, is then not necessarily to carry out cutting process.After completing to mow, 5 temperature of heat-conducting plate
When degree gos up, the cauline leaf freezed above is handled.
Due to there is no electric appliance noise, the present invention to be highly suitable for working on the green land on the ground such as cell substantially, night work
It will not cause to disturb residents, and when summer, night temperature is relatively low, and mower's work is more comfortable.Self illumination flashlight 20, work
It is more convenient.It relative to traditional grass trimmer, is mowed using high-speed rotating hay knife, the clast of grass can be driven to fly upward,
Breathing environment is polluted, and the present invention is rotated there is no height, will not actively cause clast to fly upward, it is safer.
When liquid nitrogen maintains 5 low-temperature condition of heat-conducting plate, a large amount of endothermic gasification can carry out gas discharging from funnel 6, will not
Pressure is caused to influence.Air exhausting device etc. can be set simultaneously and improve air velocity, nitrogen zonule is avoided largely to assemble and generate danger
Evil.
If grass roots is exposed, the height that the present invention is unsuitable for being bonded grass roots is mowed, when height is too low, heat-conducting plate 5
It is relatively close from the ground, it is sluggish in air circulation, then the larger low-temperature space of range is easily formed, and the lower face for being not only heat-conducting plate 5 is smaller
Region, be easy to cause the frostbite to grass roots on ground at this time.General grass roots plants underground deeply, and 5 brief stay of heat-conducting plate will not
Low temperature is caused to penetrate soil.
Rotation axis 9 can be rotatablely connected with the guide plate 12 of the left and right sides, and supporting roller 10 substitutes the effect of trailing wheel, can cancel peace
Frame up 1 rear side left and right sides wheel 2.The distribution of wheel 2 should not influence the route movement of connecting rod 16.
Claims (6)
1. a kind of noiseless low temperature grass trimmer, it is characterised in that：Installing frame including square frame-shaped（1）；Installing frame（1）Left and right two
Side is uniformly equipped with wheel（2）；Installing frame（1）Rear portion handrail is installed（3）；Installing frame（1）Inside low temperature be installed cut
Careless device；
The low temperature mowing-apparatus includes incubator（4）；Incubator（4）Inside there is liquid nitrogen；Incubator（4）Base end wall be lead
Hot plate（5）；Incubator（4）Upper center is communicated with funnel（6）, funnel（6）Top is less than protecting frame（7）Top；Incubator
（4）Outside fixing sleeve is connected to the protecting frame of square frame-shaped（7）；The protecting frame（7）With installing frame（1）Inside slides up and down company
It connects；Installing frame（1）The equal screw thread in left and right ends puller bolt is installed（8）.
2. noiseless low temperature grass trimmer according to claim 1, it is characterised in that：Installing frame（1）Rear end be equipped with it is de-
Fall auxiliary device；The auxiliary device that falls off includes rotation axis（9）；Rotation axis（9）Middle part be coaxially socketed with supporting roller
（10）；Rotation axis（9）Circumference side be uniformly fixed with the poke rod being obliquely installed（11）；The installing frame（1）Rear end is left
Right both sides are respectively and fixedly provided with guide plate（12）；Two guide plates（12）Opposite side has vertical guide groove（13）；Turn
Moving axis（9）Left and right ends respectively with the guide groove of the left and right sides（13）Sliding connection.
3. noiseless low temperature grass trimmer according to claim 1, it is characterised in that：It further include disconnected careless auxiliary device；It is described
Disconnected careless auxiliary device be included in heat-conducting plate（5）The cutter of lower section sliding（14）；Protecting frame（7）The left and right sides of lower end is solid
Surely there is guide rail（15）；Cutter（14）Left and right two parts not Chuan Guo the left and right sides guide rail（15）And and guide rail（15）Sliding connects
It connects；Cutter（14）The left and right sides connecting rod being obliquely installed is rotatably connected to by shaft（16）；Two connecting rods
（16）Upper end pass through cross bar（17）It is fixedly connected.
4. noiseless low temperature grass trimmer according to claim 1, it is characterised in that：Installing frame（1）Upper rear side is equipped with survey
Warm display module（18）；Thermometric display module（18）Test side in heat-conducting plate（5）On.
5. noiseless low temperature grass trimmer according to claim 1, it is characterised in that：Installing frame（1）Installed in front has flashlight
Holder（19）；Flashlight holder（19）On illumination flashlight is installed（20）.
6. noiseless low temperature grass trimmer according to claim 1, it is characterised in that：Protecting frame（7）Pacify inner upper end side
Equipped with fan（21）；Fan（21）Air draft direction and funnel（6）Relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712579.2A CN108781707A (en) | 2018-07-03 | 2018-07-03 | Noiseless low temperature grass trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712579.2A CN108781707A (en) | 2018-07-03 | 2018-07-03 | Noiseless low temperature grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108781707A true CN108781707A (en) | 2018-11-13 |
Family
ID=64073030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712579.2A Withdrawn CN108781707A (en) | 2018-07-03 | 2018-07-03 | Noiseless low temperature grass trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108781707A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1012829A2 (en) * | 1979-05-03 | 1983-04-23 | Институт теплофизики Сибирского отделения АН СССР | Berry picking method |
| DE102005025854A1 (en) * | 2005-06-06 | 2007-01-18 | Kastriot Merlaku | Lawn mower has cryogenic or cooling laser emitter that outputs laser beams for freezing grass to make grass easy to cut, control unit to which cryogenic or cooling laser emitter is connected, and power source for current supply |
| CN101069465A (en) * | 2007-06-15 | 2007-11-14 | 吴江市方霞企业信息咨询有限公司 | Pneumatic trimming machine |
| WO2008022163A2 (en) * | 2006-08-15 | 2008-02-21 | Umagination Labs, L.P. | Modular landscaper |
| CN102907211A (en) * | 2012-08-06 | 2013-02-06 | 金华市赛格五金注塑有限公司 | Lawn mower |
| CN106233917A (en) * | 2016-08-04 | 2016-12-21 | 杨进 | It is easy to the hay mover of spraying medicine |
| CN107852938A (en) * | 2017-12-16 | 2018-03-30 | 李竑靓 | One cultivate peanut removal of impurities picker |
| CN107996127A (en) * | 2017-11-30 | 2018-05-08 | 胡经宇 | A kind of gardens mowing apparatus |
-
2018
- 2018-07-03 CN CN201810712579.2A patent/CN108781707A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1012829A2 (en) * | 1979-05-03 | 1983-04-23 | Институт теплофизики Сибирского отделения АН СССР | Berry picking method |
| DE102005025854A1 (en) * | 2005-06-06 | 2007-01-18 | Kastriot Merlaku | Lawn mower has cryogenic or cooling laser emitter that outputs laser beams for freezing grass to make grass easy to cut, control unit to which cryogenic or cooling laser emitter is connected, and power source for current supply |
| WO2008022163A2 (en) * | 2006-08-15 | 2008-02-21 | Umagination Labs, L.P. | Modular landscaper |
| CN101069465A (en) * | 2007-06-15 | 2007-11-14 | 吴江市方霞企业信息咨询有限公司 | Pneumatic trimming machine |
| CN102907211A (en) * | 2012-08-06 | 2013-02-06 | 金华市赛格五金注塑有限公司 | Lawn mower |
| CN106233917A (en) * | 2016-08-04 | 2016-12-21 | 杨进 | It is easy to the hay mover of spraying medicine |
| CN107996127A (en) * | 2017-11-30 | 2018-05-08 | 胡经宇 | A kind of gardens mowing apparatus |
| CN107852938A (en) * | 2017-12-16 | 2018-03-30 | 李竑靓 | One cultivate peanut removal of impurities picker |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |