EP3576514A1 - Cultivator, especially for within-the-row cultivation - Google Patents
Cultivator, especially for within-the-row cultivationInfo
- Publication number
- EP3576514A1 EP3576514A1 EP18747257.6A EP18747257A EP3576514A1 EP 3576514 A1 EP3576514 A1 EP 3576514A1 EP 18747257 A EP18747257 A EP 18747257A EP 3576514 A1 EP3576514 A1 EP 3576514A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hoe
- rotary
- cultivation
- row
- frame
- 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- Withdrawn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
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 46
- 241000196324 Embryophyta Species 0.000 description 63
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000009418 agronomic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 235000009973 maize Nutrition 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 244000038559 crop plants Species 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- YZHUMGUJCQRKBT-UHFFFAOYSA-M sodium chlorate Chemical compound [Na+].[O-]Cl(=O)=O YZHUMGUJCQRKBT-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/08—Other machines specially adapted for working soil on which crops are growing with rotating tools such as weeding machines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B21/00—Harrows with rotary non-driven tools
- A01B21/02—Harrows with rotary non-driven tools with tooth-like tools
- A01B21/06—Harrows with rotary non-driven tools with tooth-like tools on vertically-arranged axles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/06—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on vertical or steeply-inclined shaft
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B39/00—Other machines specially adapted for working soil on which crops are growing
- A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
- A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/002—Devices for adjusting or regulating the position of tools or wheels
- A01B63/008—Vertical adjustment of tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
- A01B63/24—Tools or tool-holders adjustable relatively to the frame
- A01B63/26—Tools or tool-holders adjustable relatively to the frame by man-power
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
- A01B63/16—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame
- A01B63/166—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame manually adjustable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
- A01B63/24—Tools or tool-holders adjustable relatively to the frame
- A01B63/245—Tools or tool-holders adjustable relatively to the frame laterally adjustable
Definitions
- This application relates to a cultivator, especially for within-the-row cultivation, which is a field agricultural machine.
- the agrotechnical purpose of the ceremoniwithin-the-row cultivation is to prevent soil spillage and to facilitate soil ventilation between the plant rows, furthermore to allow moisture to infiltrate rootstocks and to eradicate weeds.
- the main requirements for the field cultivators are currently, as follows: efficient destruction/eradication of weeds within the plant rows;
- cultivators having rotary hoes can only be used in a limited way, since they are exclusively capable to cultivate the soil surface only at a small working depth of 10 to 12 cm and a small cultivation width. Therefore, they can be used with acceptable results only, when there are no weeds in the soil or just after the weeding of the weeds, when the weeds are still small.
- a hoe as a tilling tool consisting of a cutting member fixed to a support bar or stem has been unchanged for thousands of years.
- the stem is a toolpiece that people move in the soil and its cutting member cuts the roots of the plants, or the same stem is attached to a carriage and is pulled by a chassis.
- a primary object of the present invention is to provide an improved solution that is reliable and robust, practically non-clogging, long lasting, root-saving, reduces yield loss even when the cultivator is inadequately guided along the plant rows, it provides a uniform flat soil surface after cultivation and reduces the possibility of weeds' revival and does not cover the crops with soil, and allows the killing of weeds in the plant rows, too.
- the cultivator of the present invention is capable mainly for within-the-row cultivation, having a frame attached to a tractor or a towed structure.
- the frame is provided with at least one cultivating unit with a rotary hoe member (as cutting tool) having an inclined rotary axis.
- the essence of the invention lies in that the cultivating unit is parallel guided on the frame and provided with a tool holder arranged transversely adjustable on the frame in relation to a travel direction of the cultivator.
- a tool holder arranged transversely adjustable on the frame in relation to a travel direction of the cultivator.
- on the frame hoe wheels of the at least two adjacent rotary hoe members are arranged along the cultivated plant row and in a row spacing, in the direction of travel.
- Each of the at least two adjacent rotary hoe members has laterally and rearwardly inclined rotary axis so that hoe wheels of the adja- cent rotary hoe members are rotatable in opposite directions.
- the hoe wheels of the adjacent rotary hoe members are a rranged behind each other in the direction of travel.
- each rotary hoe member of the cultivating unit is associated with a protective disc located on a cultivation side of the rotary hoe member, beside the plant row.
- the hoe wheels of the at least two adjacent rotary hoe members in the cultivation unit are so arranged on the tool holder behind each other that one of the laterally and rearwardly inclined rotary axes is inclined to the left-hand side, while the other is inclined to the right-hand side for cultivating a predetermined working width of the row spacing.
- the at least two rotary hoe members are transversal adjustably fixed on the tool holder in relation to the travel direction for adjusting the working width of the cultivation unit.
- the relative height position of the protective disc on the cultivation unit is adjustable in order to regulate a soil layer thickness directed/deflected transversely to the travel direction by the protective disc.
- cultivation units with parallel guides and supported by a height adjustable wheel that allows the soil to be directed to the plant row for suppression of small weeds or for directing soil just pulling away from the plant row so as to prevent covering of small plants with earth.
- the cultivating units are associated with protective disks, which are both capable of completely preventing the direction of soil to the plant row and by adjusting the height and the cultivation depth to control the amount of soil directed towards the plant row for weed control, in accordance with the state of the cultivated crop.
- An essential element of the inventive idea is that the amount of soil deflected (directed) to the plant row can be adjusted by adjusting the relative height of the protective disc with respect to the hoe wheel of the rotary hoe member, consciously and according to the current agronomic requirements, and which remains constant regardless of terrain un- evenness and soil hardness. This is an important feature because this measure will allow covering sprouting weeds with soil even in the case of small-scale crops.
- the present invention is based on the recognition that the actual problems of the within-the-row cultivation can be solved by improving the traditional cultivators containing rolling hoes, when the adjacent rotary hoe members are arranged on the frame in the proposed manner one behind the other and cutting elements of their hoe wheels always rotate (move) off the plant rows.
- the cultivator according to the invention thus provides a complex solution that allows field cultivation techniques to be significantly upgraded and economically improved.
- FIG. 1 illustrates an exemplary embodiment of a cultivator according to the invention in a perspective view
- FIG. 2 illustrates a detail of the Figure 1 is a top-view, namely a top-view of two cultivating units
- FIG. 3 illustrates the side-view of a detail of FIG.2
- FIG. 4 illustrates a perspective view of a detail of FIG. 3
- FIG. 5 shows a relatively larger perspective view of a detail of FIG. 4.
- a cultivator K for the within-the-row cultivation according to the invention of FIG. 1 comprises a frame 1 with a beam 2 extending transversally to a forward movement/direction of the cultivator K designated by an arrow 16.
- the frame 1 is provided with a transversal beam 2 and hitch structure (not illustrated in detail; e.g. known three-point suspension structure) adapted for connection of the cultivator K to a tractor or other towed structure (not illustrated) for forward movement 16 of the cultivator K.
- the hitch structure of the frame 1 is provided with two lower coupling heads 3 and one upper coupling head 4 for suspending the cultivator K on the tractor.
- FIGs. 1-3 the frame 1 of the cultivator K is supported on the ground on both sides by support wheels 5.
- plant rows in this case, rows of maize stalks
- FIG. 2 plant rows (in this case, rows of maize stalks) are indicated by reference number 6.
- a cultivating unit 8 is mounted, so there are altogether eight cultivating units 8, in this case (FIG. 1).
- FIG. 2 is a top-view of the two neighboring cultivation units 8 of the cultivator K according to the invention in a top-view
- FIG. 3 is a side-view. It is to be noted that the other cultivation units 8 are of the same design.
- each cultivating unit 8 is laterally movable secured to the transverse beam 2 of the frame 1 of the cultivator K, in the present case by means of a frame-like gripping unit 9.
- the parallel guidances 7 have articulated parallel arms for vertical displacement of the cultivating unit 8 which are hingedly connected to a tool holder 10 of the cultivating unit 8 for carrying working elements of the cultivating unit 8.
- a depth adjusting (limiting) wheel 11 is vertically adjustably mounted to the front part of the tool holder 10 (FIGs. 3-4).
- Each cultivating unit 8 is provided with at least two rotary hoe members 12A and 12B as working elements (FIG.
- Adjusting a depth of cultivation 24 by the cultivator 1 can be effected by adjusting the vertically position of the depth adjusing wheel 11 which can be done by vertically displacing a bracket 14 of the depth adjusing wheel 11 in a hub 15, and in the adjusted position the depth adjusing wheel 11 it is to be secured, e.g. by a screw 29 (FIG. 3).
- FIGs. 1-4. the forward direction of the cultivator K is designated by the arrow 16, and in FIG, 2, the plant rows to be cultivated are designated by 6, while row spacings by 6A, and individual plants in the plant rows 6 by 17, and the original soil surface to be cultivated is designated by 18.
- FIGs. 2 and 3 illustrate the mounting of the two rotary hoe members 12A and 12B of the cultivation unit 8 onto the tool holder 10.
- the rotary hoe members 12A and 12B have hoe holders 19 that are connected to shackles 20 of the tool holder 10, and in longitudinal openings or boreholes (not shown) of the tool holder 10 they can be transversally displaced in order to adjust a working width 23 of the cultivation unit 8.
- the lateral position of the rotary hoe members 12A and 12B transversely adjusted on the hoe holder 19 can be fastened, e.g. by screws.
- the at least two rotary hoe members 12A and 12B of each cultivating unit 8 of the cultivator K of the present invention are mutually disposed in such a way that the direction of rotation 13A and 13B, respectively, of the two adjacent hoe wheels 21A and 21B of the rotary hoe members 12A and 12B are opposite to each other.
- the working width between the adjacent plant rows 6 is designated by 23 and the adjustable working depth of cultivating unit 8 by 24 .
- each cultivating unit 8 the angular position of their side and rearwardly inclined rotary axes 22A, 22B of the two adjacent rotary hoe members 12A and 12B can be the same. It is to be emphasized that, in the exemplary embodiment of FIG. 2, seen in the forward direction 16, the rotary axis 12A of the front rotary hoe member 22A is inclined to left and rearward, while the rotation axis 12B of the rear rotary hoe member 22B is inclined to the right and backward.
- the rotary hoe members 12A and 12B of two adjacent cultivating units 8 of FIGs2- 3 cultivate a row spacing 6A (in case of maize it can be of 70-75 cm) of the 6 plant rows in a working width 23 of approximately 65 cm, in such a way that the front hoe member 12A cultivates the left part of the entire working width 23 of the row spacing 6A, while the rear rotary hoe member 12B cultivates the right part thereof, preferably with an overlapping of 15-25 cm in the middle of the row spacing 6A.
- the hoe wheels (rotors) 21A and 21B of rotary hoe members 12A and 10B have the same diameter ( e.g. 50 cm).
- the hoe wheels 21A and 21B of the rotary hoe members 12A and 12B of the cultivation units 8 are freely rotatable arranged around their rotary axis 22A and 22B, respectively, in a hub 26 fixed to the hoe holder 19.
- the predetermined inclined angular position of the rotary axes 22A and 22B of the hoe wheels 21A and 21B relative to the soil surface 18 remains constant during the cultivation.
- the hoe wheels 21A and 21B are provided with radial and arched hoe teeth (knives) 27 which are arranged in equal distances along the periphery and are located in a common plane of the corresponding hoe wheel.
- the free ends of the hoe teeth 27 of the hoe wheel 21B, being in forced cooperation with the soil, are curved backwards, opposite to the direction of rotation as indicated by the arrow 13B (FIG. 5).
- FIG. 3 it can be seen that the rotary hoe members 12A and 12B in the cultivation units 8 are secured on the tool holder 10- for lateral displacement thereof - with 28 screws.
- the depth-limiting/adjusting wheel 11, which is adjustable in the vertical direction, is se- cured to the tool holder 10 by means of 29 bolts (FIGs. 2 and 3).
- a support arm 30 is laterally movable arranged relative to the rotary hoe members 12A or 12B (FIGs. 4-5).
- the support arms 30 are provided with holes 31.
- a swinging arm 33 can be connected to the support arm 30 by means of a screw 32.
- a threaded shaft 35 is secured by means of a nut 34, on which a protective disc 38 of the present invention is freely rotatably embedded.
- the swinging arm 33 has a spring tensioning extension 39 (FIG. 5).
- the support arm 30 is coupled to a spring adjusting bag 40, whose position in the forward direction 16 can be adjusted by means of a screw 41.
- the spring tensioning extebnsion 39 and the spring adjusting bag 40 are coupled together by a spring 42.
- the lateral displacement and securing of the support arm 30 perpendiculars to the direction of travel 16 is solved by another 43 bag that is secured to the rotary hoe member 12A or 12B.
- the cultivator K operates in such a way that, during development in the travel direction 16, the hoe teeth 27 of the hoe wheels 21A and 21B of the rotary hoe members 12A and 12B, respectively, rotate away from the plant rows 6 (see the rotation directions in FIG. 2)-. Thereby they are able to kill effectively the weeds and to cover the weeds with soil, and to break into small pieces the surface soil layer, and to level the broken soil parts, and to cut weed stems, that are crushed and cutted into pieces, and to remove soil parts from the cut weed roots, and to scale off the weed leaves, that is to say, a variety of different weed killing steps are carried out in a very effective way.
- the teeth/knives 36 of the hoe wheels 21A and 21B of the rotary hoe members 12A and 12B are long lasting, reliable, furthermore, they don't need any control and are practically never clogged.
- a surplus agronomic effect of the invention lies in that especially by association of the protective discs 38 with the rotary hoe members 12A and 12B the invented cultivator K, at crops have just come up or at plants in the early developing state, a covering of the crop plants 17 in the plant rows 6 can be prevented (FIG. 2), but clocking and suppression (closing from light) of the weeds in the row spacings 6A can be fulfil effectively.
- the protective discs 38 freely roll on the ground surface 18, but the discs 38 are preferably loaded onto the ground, e.g. in the present case, by ap- plying a prestressed force of the spring 42.
- This prestress can be adjusted by displacement of the spring adjusting bag 40 in the forward direction 16 and its securing by a screw 41 in its new position, and by engaging the spring 42 in another one of the holes 45 formed in the spring tensioning extension 39.
- the cultivator K of the present invention also allows a special lateral soil deflection (FIG. 2) by means of the protective disks 38, which effectively chokes (kills) the weeds in the row spacings 6A, but surprisingly in the plant rows 6, too. In this way,
- the thickness 44 of the lateral soil deflection depends on the fact, how far the protective disc 38 is from the soil surface 18.
- the vertical position of the protective disc 38 can be adjusted, in the most simple way, by transferring a bolt 47 of a limiting chain 46 in another hole 48 of the swinging arm 33, or by shorthening the length of the limiting chain 46 (FIG. 5). It is to be noted that one end of the limiting chain 46 is secured to the bolt 47 and thereby to the swinging arm 33, but the other end to the support arm 30.
- cultivartor K By using the cultivartor K according to the invention, the technology and economics of field cultivation can be surprisingly improved.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Zoology (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU1700050A HU231007B1 (en) | 2017-02-02 | 2017-02-02 | Soil cultivating tiller |
PCT/HU2018/050006 WO2018142172A1 (en) | 2017-02-02 | 2018-01-24 | Cultivator, especially for within-the-row cultivation |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3576514A1 true EP3576514A1 (en) | 2019-12-11 |
EP3576514A4 EP3576514A4 (en) | 2021-02-24 |
Family
ID=89992358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18747257.6A Withdrawn EP3576514A4 (en) | 2017-02-02 | 2018-01-24 | Cultivator, especially for within-the-row cultivation |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3576514A4 (en) |
EA (1) | EA037622B1 (en) |
HU (1) | HU231007B1 (en) |
MD (1) | MD4825C1 (en) |
UA (1) | UA124437C2 (en) |
WO (1) | WO2018142172A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3912443A1 (en) * | 2020-05-21 | 2021-11-24 | Vadkert-Agrotechnikai Kft | Soil-driven rotary hoe for tillage of plant spacings |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6456547B1 (en) | 2018-10-08 | 2019-01-23 | 教裕 南郷 | Imaging equipment and image display equipment that are not easily affected by radiation |
CN112449770B (en) * | 2020-11-30 | 2021-09-14 | 安徽正宏现代农业生态科技发展有限公司 | Based on tea-oil camellia is planted and uses weeds clearing device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7315274A (en) * | 1973-11-07 | 1975-05-12 | Cornelis Jan Steketee En Jan J | Tractor drawn agricultural weeding implement - has crumbler rotors on inclined axes in pairs behind each blade |
US4054007A (en) * | 1976-04-15 | 1977-10-18 | Sprayrite Manufacturing Company | Row-crop tillage and treating device |
US4402365A (en) * | 1981-03-30 | 1983-09-06 | Roper Corporation | Garden tiller with vegetation sloughing means |
NL1014092C2 (en) * | 2000-01-17 | 2001-02-07 | Machf Steketee B V | Device for weeding weeds. |
ATE524960T1 (en) * | 2009-02-11 | 2011-10-15 | Viking Gmbh | THOE WITH SWITCHABLE CLUTCH |
HU230557B1 (en) * | 2010-01-27 | 2016-12-28 | Benedek Horváth | Space cultivating field tiller |
-
2017
- 2017-02-02 HU HU1700050A patent/HU231007B1/en unknown
-
2018
- 2018-01-24 EP EP18747257.6A patent/EP3576514A4/en not_active Withdrawn
- 2018-01-24 UA UAA201908662A patent/UA124437C2/en unknown
- 2018-01-24 EA EA201991663A patent/EA037622B1/en unknown
- 2018-01-24 MD MDA20190060A patent/MD4825C1/en active IP Right Grant
- 2018-01-24 WO PCT/HU2018/050006 patent/WO2018142172A1/en active Search and Examination
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3912443A1 (en) * | 2020-05-21 | 2021-11-24 | Vadkert-Agrotechnikai Kft | Soil-driven rotary hoe for tillage of plant spacings |
Also Published As
Publication number | Publication date |
---|---|
MD20190060A2 (en) | 2020-01-31 |
EA037622B1 (en) | 2021-04-22 |
HUP1700050A2 (en) | 2018-08-28 |
MD4825C1 (en) | 2023-05-31 |
MD4825B1 (en) | 2022-10-31 |
HU231007B1 (en) | 2019-10-28 |
UA124437C2 (en) | 2021-09-15 |
EA201991663A1 (en) | 2019-12-30 |
WO2018142172A1 (en) | 2018-08-09 |
EP3576514A4 (en) | 2021-02-24 |
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