• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a farm implement for adding organic fertiliser or compost subterraneously to cultivated land. The implement is characterised in that it comprises a chassis that defines three coupling points between the implement and the tractor or towing vehicle and is adapted for the joint mounting of at least one or more lower subsoilers separated from one another and aligned transversely and one or more hoppers for metering organic fertiliser or compost, said hoppers being secured to the upper part of the chassis. According to the invention, the hoppers comprise mechanisms for metering the organic fertiliser in order to discharge same through a lower outlet to which a pipe is connected that is secured to a guide structure for discharging and metering the organic fertiliser. In addition, each subsoiler is placed in front of, and below each hopper for metering the organic fertiliser or compost in order to open up the soil and generate a furrow or groove in which the organic fertiliser is deposited subterraneously. The chassis also comprises a lateral arrangement on which side wheels are mounted independent of the tractor or towing vehicle.
    公开号:ES2562577A1
    申请号:ES201690001
    申请日:2014-07-16
    公开日:2016-03-04
    发明作者:Rubén NAVARRO VELASCO
    申请人:Rubén NAVARRO VELASCO；
    IPC主号:
    专利说明:

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    DESCRIPTION
    AGRICULTURAL IMPLEMENT TO INCORPORATE ORGANIC OR COMPOSITE SUBSCRIBE IN GROUND GROUND
    FIELD OF THE INVENTION
    The present invention is related to agriculture in general, in particular it relates to agricultural implements, which are mechanical equipment that are coupled to a tractor, vehicle or similar machines, to perform certain cultivation work; more specifically, it refers to an agricultural implement to incorporate organic or compost compost into cultivated land underground.
    BACKGROUND OF THE INVENTION
    It is well known that in agriculture it is necessary to use equipment and tools that allow farmers to better develop the activities of tillage, cultivation and planting of the land, which benefits them in terms of time, costs, Production and productivity. Thus the technology has been evolving widely, supplying the use of animals used for tillage by tractors and other similar machines in which various agricultural implements specially developed for tillage, handling, cultivation and planting of the land are mounted.
    Currently, an infinity of agricultural implements are known that are mounted or embedded in the front or rear of tractors or other vehicles to carry out diverse agricultural work.
    A variety of seeders-fertilizers are known, designed to be able to dose and sow different seeds and at the same time dose chemical fertilizers during sowing.
    On the other hand, agricultural implements are also known as fertilizers, but these only work with chemical fertilizers, if used with organic composts they are covered or do not dose evenly and do not integrate it into the soil in the best way is to say that the way in which applicable causes loss of fertilizer due to rain or wind since most leave it uncovered because they were not designed for this type of products.
    In the state of the art there was, for example, the patent application MX / a / 2009/007900 filed on July 24, 2009, by Miguel Josue de la Torre Velazquez et al., Which discloses a programmable automatic seeder machine with guidance of seeds with thin, non-symmetrical ends and chemical dispenser that controls the distance and
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    depth between the seeds, composed of a metal structure that supports the elements that include: a container cone with a conical interior with the capacity to contain a seed with thin ends, accommodating it in two unique possible states, both vertically but with opposite directions At the bottom of this container cone is a sensor that identifies the direction of the seed with thin ends. However, this implement is first configured to sow with specific seed orientation systems and also to dose chemical fertilizers; so it is not configured to be able to apply organic or compost fertilizers and less to be able to apply it directly underground in areas where for example the seed can be deposited in sowing.
    The MX214368 patent of Salvador Lucatero Mora, filed on January 7, 2000, was found, which protects a hydraulic sowing fertilizer planter to sow species that are grown in rows or furrows, such as: mafz, beans, sorghum, soybeans and many more; in two, three, four, grooves. It also has a central differential which is transmitted by the arrow of the tractor power take-off by means of a cardan arrow. This part of the seeder-fertilizer is what gives the producer safety, since the other existing seeders have a chain together with a wheel or a disc, which can burst or misalign that chain. Both the fertilizer and the seed are regulated through a gearbox, consisting of exchanging gears by pulling only the tensioner of said box. Once the seeder-fertilizer is installed, no key is required for its adjustments of speeds or changes of seed, on the other hand it has a spline roller fertilizer, choosing to place the worm type for certain type of fertilizer. Its seed distributor is universal, so it does not need to be exchanged as with the dishes used by all other seeders. It is a cylinder type improved by the elongated shape, being one of its ends oval and its offset position in relation to the axis of the cylinder is much more efficient and safe because its offset and elongated holes where it rotates take the seeds more accurately and without mistreating them since these are accommodated before arriving at the center of the hole due to the elongation of it. The seeder-fertilizer can be mounted on a tiller to perform sowings under the traditional system or it is mounted in the level units designed for the conservation tillage system.
    However, it is again configured to sow specific seeds and also to dose chemical fertilizers; so it is not configured to apply organic or compost fertilizers and less to be able to apply it directly underground in
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    areas where for example the seed can be deposited in planting.
    The patent MX9708546 of Angel Estrada Fernandez filed on October 14, 1997, which discloses a precision automatic seeder for different types of seed and fertilizer with volume control in the run, by means of external selector disk and gravity emptying . However, said implement is configured to sow specific seeds and also to dose chemical fertilizers; so it is not configured to be able to apply organic or compost fertilizers and less to be able to apply it directly underground in areas where for example the seed can be deposited in sowing.
    Also found was patent 159474 of Salvador Lucatero Mora and Rogelio Rodriguez Quiroz, filed on July 1, 1983 which discloses an agricultural fertilizer seeder with a standard seed distribution system and fertilizer comprising: seed distributors working through pistons with spring, which are operated with an Allen key through oppressors located in the central perforations of the seed distributor, which, when rotated, causes the pistons to enter or exit leaving a gap greater or lesser to the lateral vertical perforations where the seed; roller-shaped fertilizers with longitudinal blades through which the fertilizer is regulated by moving a plate attached to the screw tube; a movement transmitting mechanism and buckets or boats; both seed distributors and fertilizers are placed inside two tubes and connected to the motion transmitter mechanism through arrows centered by bearings and bushings; characterized in that the movement transmitting mechanism is formed of two main parts: A crown or gear where a pin that carries a bearing and bearing holder to center the movement is assembled and everything goes inside a central or differential tube to which the other two are attached tubes that carry seed distributors and fertilizers inside; and an arrow with two crossarms, two square bars, a solid and a hollow that serves as a sheath, and a die that connects to the tractor's PTO and spins the entire arrow transmitting the movement to the standard seed distribution system and fertilizer through the crown or gear where the arrows meet with the seed distributors and fertilizers.
    As with the other patent documents referred to, the implement is designed to sow and fertilize; but said implement is configured to sow specific seeds and also to dose chemical fertilizers; so it is not configured to apply organic or compost fertilizers and less to be able to apply it directly underground in areas where for example the seed can be deposited in the
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    sowing. It is also configured to fit the tractor power take-off.
    However, in none of the documents located in the state of the art, an implement was found that allows the incorporation of organic or compost compost in cultivated land underground as in the case of the present invention, which allows taking advantage of a 90 to 95% of the fertilizer incorporated, since the mechanism deposits the compost or organic fertilizer under the earth which prevents the air or the rains from carrying it.
    Given the need to have an agricultural implement that resolves the described inconveniences of the implements of the state of the art and offers the benefits described in the previous paragraph, it was that the present invention was developed, which will undoubtedly offer great technical advantages to the producers in the great work of the exploitation of the land to be able to obtain a better relation benefit / cost and better results as far as production and productivity.
    OBJECTIVES OF THE INVENTION
    The main objective of the present invention is to make available an agricultural implement to be able to incorporate organic or compost fertilizer underground in cultivation land and at the same time to be able to decompact the land without eroding it or wear it, contributing to the regeneration of soils.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground in cultivation land, which also has the ability to receive planting elements to save time and fuel as well as reduce machine wear.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground in cultivation land, which also works with the simple drag of the tractor without the need to attach to the tractor power take-off, nor the hydraulic intake
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground in cultivation land, which also offers good precision, versatility to be used with different sowing systems or for pastures.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost in cultivation land, which also allows
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    maintain a constant and precise dosage of the fertilizer.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground in cultivation land, which is also modular, that is to say that it has the capacity of growth or decrease of organic fertilizer dosing hoppers as a function of the needs and capacities of the farmer.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground into cultivated land, which is also resistant, with a simple, practical and functional structure.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost fertilizer underground in cultivation land, which also by depositing the fertilizer underground, avoid the loss of fertilizer by air or rain.
    Another objective of the invention is to provide said agricultural implement to be able to incorporate organic or compost compost underground in cultivation land, which also allows a dosage of the fertilizer at a depth required so that in sown land, the seed takes full advantage of nutrients of organic or compost fertilizer.
    And all those qualities and objectives that will become apparent when making a general and detailed description of the present invention supported by the illustrated modalities.
    BRIEF DESCRIPTION OF THE INVENTION
    In general, the agricultural implement for incorporating organic or compost compost into cultivated land underground, in accordance with the present invention consists of a chassis defined by a first crossbar in which a pair of spaced front bars is perpendicularly fixed, with fixing means at its ends to be anchored at two points of a tractor or other draft vehicle and a pair of arms extended diagonally upward from both ends of said first crossbar joined at the ends of a second raised crossbar, in whose central area comprises front fixing elements adapted to receive fixing means to anchor at a third point of the tractor or other types of shooting vehicles. Said front bars comprising vertical reinforcing arms that extend and fix on said second raised crossbar.
    At both ends of said first crossbar, anchoring elements are fixed with height adjustment means of vertical arms that support at their lower end two axes where a pair of independent side wheels of the implement are mounted to the
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    tractor.
    A support frame of at least one or a plurality of organic or compost dosing hoppers is fixed with releasable fixing means in said first and second cross bars of said chassis.
    In the preferred embodiment of the invention, said frame consists of a structure in the form of a lying frame that defines a pair of front arms at whose ends they comprise releasable fixing means to be fixed near the ends of said second raised crossbar, and comprising posts vertical reinforcements at the corners of said frame projected inferiorly and at whose ends it comprises releasable fixing means to be fixed near the ends of said first crossbar.
    Said at least one or a plurality of hoppers consist of a prismatic section body with an open upper mouth or covered with a cover that can be removed or rotated and with an oblique bottom communicated with a transverse cylindrical body that houses dosing mechanisms of the organic fertilizer or compost and from which a lower outlet is detached in which a duct is connected that connects in a gufa structure that deposits the organic fertilizer or compost in the soil. Said mechanisms for dosing the organic or compost fertilizer are driven by an activated transmission system by pulling at least one or both side wheels of the implement.
    At least one or a plurality of subsoilers separated from each other are fixed with fixing means on said first crossbar each arranged in front of each of said organic or compost metering dosing hoppers. The number of subsoilers is equal to the number of dosing hoppers of organic or compost fertilizer.
    In the preferred embodiment of the invention said at least one or the plurality of subsoilers consist of subsoilers with breakable safety bolt and wear parts of the type formed by a substantially straight vertical body, which comprises at the lower end an angled attack tip and the upper end is a substantially "L" shape that defines a horizontal section and a vertical section whose ends comprise two holes; said upper end being adapted to be pivotally fixed between a pair of "L" shaped fixing plates parallel to each other, of a fixing structure in a bar of an agricultural implement; said "L" shaped plates define a horizontal section and a vertical section comprising two holes at their ends, coinciding in position with said "L" shaped upper end holes of said vertical body; a pivot fixing bolt is housed in said holes of the corresponding horizontal sections of the vertical body of the
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    subsoil and said pair of "L" shaped fixing plates; a breakable bolt is passed through the holes of the vertical sections of both the vertical subsoil body and of said pair of "L" shaped fixing plates; said "L" shaped fixing plates being partially separated and parallel to each other, and fixed perpendicularly by welding or some other means of attachment to an "L" shaped fixing plate that hugs together with a counter-plate of the same configuration an agricultural implement bar where the subsoiler is fixedly mounted; both plate and counter plate being secured with fixing means.
    In one of the preferred embodiments of the invention, the guiding structure that supports the conduit through which the organic or compost fertilizer is dosed from the transverse cylindrical body where the dosing mechanism is understood, is firmly fixed on the rear edge of the substantially vertical vertical body. straight of said subsoiler, which is adapted to receive a clamp fixing means of said guide structure.
    The implement is designed to help the regeneration of soils and for its use in direct sowing and conservation tillage, since this implement facilitates the farmer the task of incorporating organic matter to his land increasing with the civic use the fertile layer of the soil; also for its versatility; The inclusion of subsoilers and the possibility of receiving sowing elements or means, considerably reduces operating costs, since it can be used simultaneously with these equipment or implements.
    To better understand the features of the invention, the present description is attached, as an integral part thereof, to the drawings with illustrative but not limitative character, which are described below.
    BRIEF DESCRIPTION OF THE FIGURES
    Figure 1 shows a front perspective view of the agricultural implement for incorporating organic or compost compost in cultivation land, in accordance with the present invention.
    Figure 2 shows a front perspective view of the agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, showing the support frame of at least one or a plurality of organic or compost compost dosing hoppers, separated from the chassis.
    Figure 3 shows a front view of the agricultural implement to incorporate organic or compost compost into cultivated land underground, in accordance with the
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    present invention.
    Figure 4 shows a top view of the agricultural implement for incorporating organic or compost compost into cultivated land, in accordance with the present invention.
    Figure 5 illustrates a bottom view of the agricultural implement for incorporating organic or compost compost into cultivated land underground, in accordance with the present invention.
    Figure 6 illustrates a right side view of the agricultural implement for incorporating organic or compost compost in cultivation land, in accordance with the present invention.
    Figure 7 illustrates a left side view of the agricultural implement for incorporating organic or compost compost into cultivated land underground, in accordance with the present invention.
    For a better understanding of the invention, a detailed description of some of the modalities thereof will be made, shown in the drawings which, for illustrative but non-limiting purposes, are attached to this description.
    DETAILED DESCRIPTION OF THE INVENTION
    The characteristic details of the agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, are clearly shown in the following description and in the illustrative drawings that are attached, serving the same reference signs to indicate the same parts.
    Referring to Figures 1 and 2 showing a front perspective view of the agricultural implement to incorporate organic or compost compost in cultivation land, in accordance with the present invention. In said figures it is appreciated that the implement consists of a chassis 1 defined by a first crossbar 2 in which a pair of spaced front bars 3 are fixed perpendicularly, with fixing means (not shown) at their ends to anchor at two points of a tractor or other pulling vehicle and a pair of arms extended diagonally 4 upwards from both ends of said first crossbar 2 connected at the ends of a second raised crossbar 5, in whose central area it comprises adapted front fixing elements 6 to receive fixing means (not shown) to be anchored in a third point of the tractor or other types of shooting vehicles. Said spaced front bars 3
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    comprising vertical reinforcing arms 7 extending and fixed in said second raised crossbar 5.
    At both ends of said first crossbar 2, anchoring elements 8 are fixed with height adjustment means 9 of vertical arms 10 that support at their lower end two axes 11 where a pair of side wheels 12 of the implement independent of the tractor are mounted.
    Focusing more attention on Figure 2, while considering Figure 1, a support frame 13 of at least one dosing hopper 14 of organic or compost fertilizer is fixed with releasable fixing means (not shown) in said chassis 1 Said support frame 13 consists of a structure in the form of a lying frame 15 that defines a pair of front arms 16 and 17 at the ends of which comprise releasable fixing means 18 to be fixed near the ends of said second raised crossbar 5, and comprising vertical reinforcing posts 19 at the corners of said lying frame 15, projected inferiorly and at whose ends it comprises releasable fixing means 20 to be fixed near the ends of said first crossbar 2.
    At least one or a plurality of subsoilers 21 separated from one another are fixed with fixing means on said first crossbar 2, each arranged in front of each of said dosing hoppers 14 of organic or compost fertilizer. The number of subsoilers 21 is equal to the number of dosing hoppers 14 of organic or compost fertilizer.
    Said at least one or a plurality of dosing hoppers 14 consist of an open-top prismatic section body 22 open or covered with a removable or rotatable lid and oblique bottom 23 communicated with a transverse cylindrical body 24 housing mechanisms of dosing of the organic or compost fertilizer (not shown) and from which a lower outlet 25 in which a duct 26 is connected (see figures 6 and 7) that is connected in a guide structure 27 that deposits the organic or compost fertilizer on the floor. Said mechanisms for dosing the organic or compost fertilizer (not shown) is driven by a transmission system (not shown) activated by pulling at least one or both side wheels 12 of the implement.
    During the advance of the tractor or draft vehicle, the subsoiler 21 opens the ground and generates a deep groove where the organic or compost fertilizer is deposited through a gufa structure 27 where the duct 26 is connected that is unloading and conducting it from the lower outlets 25 of the transverse cylindrical body 24 connected to said dosing hoppers 14.
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    Figure 3 shows the position of the subsoilers 21 mounted on said first crossbar 2 which is arranged at a level below the second upper crossbar 5 and at the same height of the latter, the arrangement and fixation of the frame of support 13 of the dosing hoppers 14 of organic or compost fertilizer. In this figure, the configuration of the oblique bottom 23 defined by the inclination of the bottom plate leading to said transverse cylindrical body 24 housing a shaft 28 that drives the dosing mechanisms of the organic or compost fertilizer (not shown) is appreciated. The vertical arms 10 are also appreciated, which bear on their lower end the two axles 11 where a pair of lateral wheels 12 of the implement independent to the tractor are mounted.
    Figures 4 and 5 illustrate in their corresponding views, the components of said agricultural implement to incorporate organic or compost compost in cultivation land, so that the same numerical references are used to identify the same parts already described in the previous figures.
    With reference to Figures 6 and 7 illustrating a right side and left side view, respectively, of the agricultural implement for incorporating organic or compost compost in cultivation land, in accordance with the present invention. These figures show the dosing hoppers 14 with an oblique bottom 23 communicated with said transverse cylindrical body 24 which houses dosing mechanisms of the organic or compost compost and from which a lower outlet 25 is detached in which a duct 26 is connected which is connected it connects in a gufa structure 27 that deposits the organic or compost fertilizer in the soil.
    The position of the subsoilers 21 that open the land and generate a groove or groove where the organic or compost fertilizer is deposited underground through said guide structure 27 is appreciated.
    The other components already described widely are illustrated with the same reference signs to indicate the same parts already referred to and described in Figures 1 and 2.
    The implement comprises a structure that is modular and can grow or reduce the number of dosing hoppers 14 of organic or compost fertilizer and subsoilers 21, according to the needs and capacities of the farmer.
    The invention has been described sufficiently that a person with average knowledge in the field can reproduce and obtain the results mentioned in the
    present invention. However, any skilled person in the field of the technique of the present invention may be able to make modifications not described in the present application, however, if for the application of these modifications in a given structure or in the manufacturing process thereof, the matter 5 claimed in the following claims is required, said structures should be included within the scope of the invention.
    权利要求:
    Claims (9)
    [1]
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    1. - An agricultural implement for incorporating organic or compost fertilizer underground in cultivated land, characterized by comprising a chassis (1) that defines three attachment points of the implement with the tractor or the draft vehicle and is adapted to mount in association at least one or a plurality of lower subsoilers (21) separated from each other and aligned transversely and at least one or a plurality of dosing hoppers (14) of compost or compost fixed in the upper part of the chassis (1), where said hoppers (14) comprise dosing mechanisms of the organic fertilizer for discharge through a lower outlet (25) where a fixed duct (26) is connected in a guide structure (27) for unloading and dosing of the organic fertilizer; and where each subsoiler (21) is arranged in front of and below each dosing hopper (14) of organic or compost fertilizer to open the ground and generate a groove or groove where said organic fertilizer is deposited underground; said chassis (1) also laterally comprises an arrangement where side wheels (12) are mounted independent of the tractor or tow vehicle.
    [2]
    2. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claim 1, characterized in that said chassis consists of a first crossbar (2) in which a pair of bars is perpendicularly fixed spaced front (3) with fixing means at its ends to anchor on the tractor and a pair of arms extended diagonally (4) upward from both ends of said first crossbar, joined at the ends of a second raised crossbar (5 ) in whose central area it comprises front fixing elements (6) adapted to receive fixing means for anchoring at a third point of the tractor; wherein said front bar comprising vertical reinforcing arms (7) extending and fixed in said second raised cross bar (5).
    [3]
    3. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claims 1 and 2, characterized in that at both ends of said first crossbar (2) anchoring elements (8) are fixed with height adjustment means (9) of vertical arms (10) that support at their lower end the axles (11) where said pair of side wheels (12) are mounted.
    [4]
    4. - The agricultural implement for incorporating organic or compost fertilizer underground, in accordance with claims 1 and 2, characterized in that said dosing hopper (14) or the plurality of fertilizer dosing hoppers (14) organic
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    they are mounted on a support frame (13) that is embedded in said chassis (1).
    [5]
    5. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claims 2 and 4, characterized in that said frame (13) consists of a structure in the form of a lying frame (15) that defines a pair of front arms (16) and (17) at whose ends they comprise releasable fixing means (18) to be fixed near the ends of said second raised crossbar (5), and comprising vertical reinforcing posts (19) in the corners of said frame (15) projected inferiorly and at whose ends it comprises releasable fixing means (20) to be fixed near the ends of said first crossbar (2).
    [6]
    6. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claims 1 and 4, characterized in that said dosing hoppers (14) of organic or compost compost, consist of a sectional body upper mouth prismatic (22) open or covered with a cover that can be removed or rotated and oblique bottom (23) communicated with a transverse cylindrical body (24) that houses the dosing mechanisms of the organic or compost fertilizer and from which it gives off a lower outlet (25) in which a duct (26) is connected, which is connected in a guide structure (27) that deposits the organic or compost fertilizer in the soil.
    [7]
    7. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claims 1 and 6, characterized in that said mechanisms for dosing the organic fertilizer or compost are activated by a transmission system activated by traction of at least one or both side wheels (12) of the implement.
    [8]
    8. - The agricultural implement for incorporating organic or compost fertilizer underground in cultivation land, according to claims 1 and 6, characterized in that said guiding structure (27) supporting the duct (26) where the fertilizer is dosed Organic or compost is firmly fixed on the rear edge of the substantially straight vertical body of said subsoiler (21), which is adapted to receive a clamp fixing means of said guide structure (27).
    [9]
    9. - The agricultural implement for incorporating organic or compost compost in cultivation land, according to the preceding claims, characterized in that said at least one subsoiler (21) or the plurality of subsoilers (21) consist of subsoilers with bolt Safety breakable and wear parts.
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    同族专利:
    公开号 | 公开日
    ES2562577B1|2016-09-13|
    WO2015009136A1|2015-01-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5347939A|1992-10-14|1994-09-20|Clemson University|Agricultural apparatus|
    BE1008190A6|1994-04-06|1996-02-06|Beken Jean|Erosion plough|
    US6688243B1|2002-08-28|2004-02-10|The Mcgregor Company|Minimum tillage agricultural implement having furrow opening shank assemblies|
    CA2562575A1|2004-04-14|2005-10-27|The University Of Manitoba|Soil-cutting apparatus and liquid fertilizer injection method and system|
    ITAN20110006U1|2011-02-07|2012-08-08|Dondi S P A|BIVALENT AGRICULTURAL MACHINE.|CN109362306A|2018-09-13|2019-02-22|安徽省尚书生态农业科技有限公司|A kind of pear tree plantation fertilizer apparatus with choke preventing function|
    CN109362305A|2018-09-13|2019-02-22|安徽省尚书生态农业科技有限公司|A kind of pear tree plantation fertilizer apparatus with anti-sunken function|
    CN109362304A|2018-09-13|2019-02-22|安徽省尚书生态农业科技有限公司|A kind of pear tree plantation fertilizer apparatus with function of ditching|
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