WO2020065110A1 - Hoe - Google Patents
Hoe Download PDFInfo
- Publication number
- WO2020065110A1 WO2020065110A1 PCT/ES2019/070615 ES2019070615W WO2020065110A1 WO 2020065110 A1 WO2020065110 A1 WO 2020065110A1 ES 2019070615 W ES2019070615 W ES 2019070615W WO 2020065110 A1 WO2020065110 A1 WO 2020065110A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handle
- hoe
- head
- end section
- extension
- 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.)
- Ceased
Links
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
- A01B1/00—Hand tools
- A01B1/06—Hoes; Hand cultivators
Definitions
- the present invention refers to a hoe that includes a handle and a metal hoe head that are joined together in a solidary way to each other, forming a single monoblock assembly that provides great resistance to wear and a structure that provides great strength and robustness. during use, avoiding mismatches between the handle and the head.
- hoes consist of two bodies: a handle and a hoe head, which are joined together by a detachable connection comprising a male element and a female element; where the male element is formed by an end section of the handle and the female element comprises a hole located in the hoe head, highlighting that the male element and the female element comprise a conical configuration.
- the handle of cylindrical configuration in an extreme part, widens, generating the end section conically with a progressive increase in its diameter towards one end of said handle, while the hole or eye of the head of the hoe comprises a conical configuration in which the end section of the handle fits and adjusts, which together with the weight of the head of the hoe generates a tightening that blocks the two bodies of the hoe.
- the handle is made of wood, which causes the previously mentioned connection between handle and head of the hoe to change also depending on the degree of humidity of the handle's wooden material; so that when faced with this drawback or when the handle begins to deteriorate, a gap is generated in the connection between the handle and the head of the hoe, which reduces or ceases to exist a useful friction surface between the handle and head of the hoe which causes the hoe head to rotate on the handle or the hoe head attachment to be released from the handle with the danger that this fact poses for the hoe user. Users often try to solve this problem by rewetting the handle by immersing the handle and hoe head assembly in water, adding rags, lag screws and wedge-shaped screws in the gap between the male element of the handle and the element. female of the hoe head, highlighting that even with these elements added to try to eliminate the slack, a good grip between the handle and the hoe head is not achieved. In this situation it is not possible to work with the hoe and there is also the risk of injury.
- the invention proposes a hoe that comprises a handle and a metal hoe head that are joined together to form a monoblock assembly; where the hoe head includes an extension that is attached to a first end section of the handle by means of an injected material that is part of the handle itself; and where the hoe head extension is embedded in the injected material of the handle.
- the hoe head extension comprises a curved configuration that includes through holes.
- the handle comprises a tubular structure, with the exception of its first extreme section, which is solid; where one end of the handle, opposite to the first end section of said handle, includes a mouth closed by means of a cover.
- the hoe of the invention further comprises a counterweight attached to the first end section of the handle by a detachable connection.
- the counterweight is fixed to the handle by means of a screw that is threaded into a tubular nut-like insert that is immovably housed within a recess located in the first end section of the handle; where the counterweight includes a perforation configured to introduce the screw; and where said perforation is aligned with the tubular insert.
- the injected material of the handle comprises a plastic material; where in a particular embodiment the plastic material is a polymer.
- Figure 1. Shows an exploded perspective view of the hoe, object of the invention.
- Figure 2.- Shows a perspective view of the hoe of the invention.
- Figure 3. Shows a perspective view of a head that is part of the hoe.
- the hoe comprises a handle 1 and a hoe head 2 which are both joined together in solidarity; where the hoe head 2 includes an extension 2a that is attached to a first end section of the handle 1 by means of an injected material that is part of the handle 1 itself.
- the extension 2a of said head 2 is placed in a part of a material injection mold, and then proceeds to inject into the mold said component material of the handle 1, so that during the injection process a part of the injected material fills an internal gap in the mold in which the extension 2a that is part of the hoe head 2 is located, so that once the injected material solidifies, the union between the handle 1 and the head 2 of the hoe materializes.
- the extension 2a of the hoe head 2 is embedded in the material of the handle 1, ensuring the union, solving the drawbacks mentioned in the background section.
- the hoe head extension 2a comprises a curved configuration with two through holes 3 which are filled with the material injected from the handle.
- the handle comprises a tubular structure, with the exception of its first end section, which is solid, such that one end of the handle 1, opposite to the first end section, includes a mouth 4 that is closed by means of a cover 5 so that no dirt enters the the inside of said handle 1.
- the hoe of the invention further includes a counterweight 6 fixed to the first end section of the handle 1.
- the counterweight 6 is removable, that is, it can be installed and uninstalled depending on the operation to be carried out using the hoe.
- the counterweight 6 is detachably fixed to the handle by means of a screw 7 that is threaded into a metallic tubular insert 8 as a nut that is immovably housed within a recess 9 located in the first end section of the handle 1.
- the counterweight 6 includes a perforation 10 through which the screw 7 is inserted; where said perforation 10 is aligned with the tubular insert 8 to be able to fix the counterweight 6 to the first end section of the handle 1.
- the tubular insert 8 is placed in an area inside the mold prior to the injection of the material from the handle 1, so that when the material is injected to materialize the handle 1 and its union with the head of the hoe 2, the hole 9 is generated where the tubular insert 8 is housed.
- the counterweight 6 is an element that gives the hoe more versatility, since it can be used for light tasks (without a counterweight) and heavy tasks (with a counterweight); where in this case with the inclusion of the counterweight 6, an increase in inertia and force is achieved for the insertion of the hoe head 2 into the ground, so that if the counterweight 6 is not included it would be insufficient.
- counterweight 6 can be used as a “hammer” in hoes to perform functions such as furrow marking in a field or breaking clods of solidified and highly compacted earth.
- the injected material of the handle 1 is a plastic material such as a polymer, without ruling out other materials.
- the polymer is injected onto the extension 2a of the metal hoe head 2, with which the soil will be worked.
- said metal hoe head 2 and handle 1 configure a monoblock assembly, that is, they are a single integral element, which avoids the problems that currently exist in the known hoes comprising the handle and the hoe head detachably attached.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Stringed Musical Instruments (AREA)
Abstract
Description
AZADA HOE
DESCRIPCIÓN Objeto de la invención DESCRIPTION Object of the invention
La presente invención se refiere a una azada que comprende un mango y una cabeza de azada metálica que están unidos ambos elementos de forma solidaria entre sí conformando un único conjunto monobloque que proporciona una gran resistencia al desgaste y una estructura que proporciona una gran solidez y robustez durante su uso, evitando desajustes entre el mango y la cabeza. The present invention refers to a hoe that includes a handle and a metal hoe head that are joined together in a solidary way to each other, forming a single monoblock assembly that provides great resistance to wear and a structure that provides great strength and robustness. during use, avoiding mismatches between the handle and the head.
Problema técnico a resolver y antecedentes de la invención Technical problem to solve and background of the invention
Actualmente, la mayor parte de las azadas constan de dos cuerpos: un mango y una cabeza de azada, que están unidos entre sí mediante una conexión desmontable que comprende un elemento macho y un elemento hembra; donde el elemento macho está formado por un tramo extremo del mango y el elemento hembra comprende un hueco ubicado en la cabeza de azada, destacándose que el elemento macho y el elemento hembra comprenden una configuración cónica. Currently, most hoes consist of two bodies: a handle and a hoe head, which are joined together by a detachable connection comprising a male element and a female element; where the male element is formed by an end section of the handle and the female element comprises a hole located in the hoe head, highlighting that the male element and the female element comprise a conical configuration.
Es decir, el mango de configuración cilindrica, en una parte extrema se ensancha generando el tramo extremo de forma cónica con un aumento progresivo de su diámetro hacia un extremo de dicho mango, mientras que el hueco u ojo de la cabeza de la azada comprende una configuración cónica en el que encaja y ajusta el tramo extremo del mango, que junto al peso de la cabeza de la azada genera un apriete que bloquea los dos cuerpos de la azada. That is to say, the handle of cylindrical configuration, in an extreme part, widens, generating the end section conically with a progressive increase in its diameter towards one end of said handle, while the hole or eye of the head of the hoe comprises a conical configuration in which the end section of the handle fits and adjusts, which together with the weight of the head of the hoe generates a tightening that blocks the two bodies of the hoe.
Usualmente el mango es de madera, lo que provoca que la unión comentada anteriormente entre mango y cabeza de la azada cambie también en función del grado de humedad que tenga el material de madera del mango; de manera que ante este inconveniente o cuando se empieza a deteriorar el mango, se genera una holgura en la conexión entre el mango y la cabeza de la azada, con lo cual se reduce o deja de existir superficie útil de fricción entre el mango y cabeza de la azada lo que produce que se gire la cabeza de la azada sobre el mango o que se libere la fijación de la cabeza de la azada del mango con el peligro que este hecho supone para el usuario de la azada. Los usuarios suelen intentar solucionar este problema volviendo a humedecer el mango sumergiendo el conjunto del mango y cabeza de la azada en agua, añadiendo trapos, tirafondos y tornillos a modo de cuña en el espacio de holgura existente entre el elemento macho del mango y el elemento hembra de la cabeza de la azada, destacándose que aún con estos elementos añadidos para intentar eliminar la holgura, no se consigue una buena sujeción entre el mango y cabeza de azada. En esta situación no es posible trabajar con la azada y además se corre el riesgo de lesionarse. Usually the handle is made of wood, which causes the previously mentioned connection between handle and head of the hoe to change also depending on the degree of humidity of the handle's wooden material; so that when faced with this drawback or when the handle begins to deteriorate, a gap is generated in the connection between the handle and the head of the hoe, which reduces or ceases to exist a useful friction surface between the handle and head of the hoe which causes the hoe head to rotate on the handle or the hoe head attachment to be released from the handle with the danger that this fact poses for the hoe user. Users often try to solve this problem by rewetting the handle by immersing the handle and hoe head assembly in water, adding rags, lag screws and wedge-shaped screws in the gap between the male element of the handle and the element. female of the hoe head, highlighting that even with these elements added to try to eliminate the slack, a good grip between the handle and the hoe head is not achieved. In this situation it is not possible to work with the hoe and there is also the risk of injury.
Descripción de la invención Description of the Invention
Con el fin de alcanzar los objetivos y evitar los inconvenientes mencionados en los apartados anteriores, la invención propone una azada que comprende un mango y una cabeza de azada metálica que están unidos de forma solidaria entre sí formando un conjunto monobloque; donde la cabeza de azada incluye una extensión que está unida a un primer tramo extremo del mango mediante un material inyectado que forma parte del propio mango; y donde la extensión de la cabeza de azada está embebida en el material inyectado del mango. In order to achieve the objectives and avoid the drawbacks mentioned in the previous sections, the invention proposes a hoe that comprises a handle and a metal hoe head that are joined together to form a monoblock assembly; where the hoe head includes an extension that is attached to a first end section of the handle by means of an injected material that is part of the handle itself; and where the hoe head extension is embedded in the injected material of the handle.
La extensión de la cabeza de la azada comprende una configuración curvada que incluye unos orificios pasantes. The hoe head extension comprises a curved configuration that includes through holes.
El mango comprende una estructura tubular, con excepción de su primer tramo extremo que es macizo; donde un extremo del mango, opuesto al primer tramo extremo de dicho mango, incluye una embocadura cerrada mediante una tapa. The handle comprises a tubular structure, with the exception of its first extreme section, which is solid; where one end of the handle, opposite to the first end section of said handle, includes a mouth closed by means of a cover.
La azada de la invención comprende además un contrapeso fijado al primer tramo extremo del mango mediante una conexión desmontable. The hoe of the invention further comprises a counterweight attached to the first end section of the handle by a detachable connection.
El contrapeso se fija al mango mediante un tornillo que se rosca en un inserto tubular a modo de tuerca que está alojado de forma inamovible dentro de un hueco ubicado en el primer tramo extremo del mango; donde el contrapeso incluye una perforación configurada para introducir el tornillo; y donde dicha perforación está alineada con el inserto tubular. The counterweight is fixed to the handle by means of a screw that is threaded into a tubular nut-like insert that is immovably housed within a recess located in the first end section of the handle; where the counterweight includes a perforation configured to introduce the screw; and where said perforation is aligned with the tubular insert.
El material inyectado del mango comprende un material plástico; donde en una realización particular el material plástico es un polímero. A continuación para facilitar una mejor comprensión de esta memoria descriptiva y formando parte integrante de la misma, se acompaña una serie de figuras en las que con carácter ilustrativo y no limitativo se ha representado el objeto de la invención. The injected material of the handle comprises a plastic material; where in a particular embodiment the plastic material is a polymer. Below, to facilitate a better understanding of this specification and forming an integral part thereof, a series of figures is attached in which the object of the invention has been represented by way of illustration and not limitation.
Breve descripción de las figuras Brief description of the figures
Figura 1.- Muestra una vista en perspectiva explosionada de la azada, objeto de la invención. Figure 1.- Shows an exploded perspective view of the hoe, object of the invention.
Figura 2.- Muestra una vista en perspectiva de la azada de la invención. Figure 2.- Shows a perspective view of the hoe of the invention.
Figura 3.- Muestra una vista en perspectiva de una cabeza que forma parte de la azada. Figure 3.- Shows a perspective view of a head that is part of the hoe.
Descripción de un ejemplo de realización de la invención Description of an embodiment of the invention
Considerando la numeración adoptada en las figuras, la azada comprende un mango 1 y una cabeza de azada 2 que están unidos ambos elementos de forma solidaria entre sí; donde la cabeza de azada 2 incluye una extensión 2a que está unida a un primer tramo extremo del mango 1 mediante un material inyectado que forma parte del propio mango 1. Considering the numbering adopted in the figures, the hoe comprises a handle 1 and a hoe head 2 which are both joined together in solidarity; where the hoe head 2 includes an extension 2a that is attached to a first end section of the handle 1 by means of an injected material that is part of the handle 1 itself.
Para llevar a cabo la unión del mango 1 y la cabeza de azada 2 en una de las fases de fabricación de la azada, se coloca la extensión 2a de dicha cabeza 2 en una parte de un molde de inyección de material, y después se procede a inyectar dentro del molde dicho material componente del mango 1 , de forma que durante el proceso de inyección una parte del material inyectado rellena un hueco interno del molde en el que se encuentra ubicada la extensión 2a que forma parte de la cabeza de azada 2, de forma que una vez que solidifica el material inyectado se materializa la unión entre el mango 1 y la cabeza 2 de la azada. To carry out the union of the handle 1 and the hoe head 2 in one of the manufacturing stages of the hoe, the extension 2a of said head 2 is placed in a part of a material injection mold, and then proceeds to inject into the mold said component material of the handle 1, so that during the injection process a part of the injected material fills an internal gap in the mold in which the extension 2a that is part of the hoe head 2 is located, so that once the injected material solidifies, the union between the handle 1 and the head 2 of the hoe materializes.
La extensión 2a de la cabeza de azada 2 queda embebida en el material del mango 1 asegurando la unión, solventando los inconvenientes citados en el apartado de los antecedentes. The extension 2a of the hoe head 2 is embedded in the material of the handle 1, ensuring the union, solving the drawbacks mentioned in the background section.
En la realización que se muestra en las figuras, la extensión 2a de la cabeza de la azada comprende una configuración curvada con dos orificios pasantes 3 que se rellenan con el material inyectado del mango. El mango comprende una estructura tubular, con excepción de su primer tramo extremo que es macizo, de forma que un extremo del mango 1 , opuesto al primer tramo extremo, incluye una embocadura 4 que se cierra mediante una tapa 5 para que no entre suciedad en el interior de dicho mango 1. In the embodiment shown in the figures, the hoe head extension 2a comprises a curved configuration with two through holes 3 which are filled with the material injected from the handle. The handle comprises a tubular structure, with the exception of its first end section, which is solid, such that one end of the handle 1, opposite to the first end section, includes a mouth 4 that is closed by means of a cover 5 so that no dirt enters the the inside of said handle 1.
La azada de la invención incluye además un contrapeso 6 fijado al primer tramo extremo del mango 1. The hoe of the invention further includes a counterweight 6 fixed to the first end section of the handle 1.
El contrapeso 6 es removible, es decir, se puede instalar y desinstalar en función de la operación a llevar a cabo mediante la azada. The counterweight 6 is removable, that is, it can be installed and uninstalled depending on the operation to be carried out using the hoe.
El contrapeso 6 se fija al mango de forma desmontable mediante un tornillo 7 que se rosca en un inserto tubular 8 metálico a modo de tuerca que está alojado de forma inamovible dentro de un hueco 9 ubicado en el primer tramo extremo del mango 1. A su vez, el contrapeso 6 incluye una perforación 10 por la que se introduce el tornillo 7; donde dicha perforación 10 está alineada con el inserto tubular 8 para poder fijar el contrapeso 6 al primer tramo extremo del mango 1. The counterweight 6 is detachably fixed to the handle by means of a screw 7 that is threaded into a metallic tubular insert 8 as a nut that is immovably housed within a recess 9 located in the first end section of the handle 1. At its instead, the counterweight 6 includes a perforation 10 through which the screw 7 is inserted; where said perforation 10 is aligned with the tubular insert 8 to be able to fix the counterweight 6 to the first end section of the handle 1.
Durante la fabricación de la azada de la invención, el inserto tubular 8 se coloca en una zona dentro del molde previamente a la inyección del material del mango 1 , de manera que cuando se inyecta el material para materializar el mango 1 y su unión con la cabeza de la azada 2, se genera el hueco 9 donde se aloja el inserto tubular 8. During the manufacture of the hoe of the invention, the tubular insert 8 is placed in an area inside the mold prior to the injection of the material from the handle 1, so that when the material is injected to materialize the handle 1 and its union with the head of the hoe 2, the hole 9 is generated where the tubular insert 8 is housed.
El contrapeso 6 es un elemento que dota a la azada de mayor versatilidad, ya que se puede usar para tareas ligeras (sin contrapeso) y tareas pesadas (con contrapeso); donde en este caso con la inclusión del contrapeso 6, se consigue un aumento de inercia y de fuerza para la inserción de la cabeza de azada 2 en la tierra, de manera que de no incluir el contrapeso 6 sería insuficiente. The counterweight 6 is an element that gives the hoe more versatility, since it can be used for light tasks (without a counterweight) and heavy tasks (with a counterweight); where in this case with the inclusion of the counterweight 6, an increase in inertia and force is achieved for the insertion of the hoe head 2 into the ground, so that if the counterweight 6 is not included it would be insufficient.
Además, el contrapeso 6 se puede emplear como un“martillo” en azadas para desarrollar funciones como mareaje de surcos en un terreno o romper terrones de tierra solidificada y muy compactada. In addition, counterweight 6 can be used as a “hammer” in hoes to perform functions such as furrow marking in a field or breaking clods of solidified and highly compacted earth.
El material inyectado del mango 1 es un material plástico como por ejemplo un polímero, sin descartar otros materiales. Así pues, el polímero se inyecta sobre la extensión 2a de la cabeza de azada 2 metálica, con la cual se trabajará la tierra. De este modo, no hay unión cónica como en las azadas actuales, si no que dicha cabeza de azada 2 metálica y el mango 1 configuran un conjunto monobloque, es decir, son un único elemento enterizo, lo que evita los problemas que hay actualmente en las azadas conocidas que comprenden el mango y la cabeza de azada unidas de forma desmontable. The injected material of the handle 1 is a plastic material such as a polymer, without ruling out other materials. Thus, the polymer is injected onto the extension 2a of the metal hoe head 2, with which the soil will be worked. In this way, there is no conical union as in current hoes, but rather that said metal hoe head 2 and handle 1 configure a monoblock assembly, that is, they are a single integral element, which avoids the problems that currently exist in the known hoes comprising the handle and the hoe head detachably attached.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201831460U ES1220002Y (en) | 2018-09-27 | 2018-09-27 | HOE |
| ESU201831460 | 2018-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020065110A1 true WO2020065110A1 (en) | 2020-04-02 |
Family
ID=63998404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2019/070615 Ceased WO2020065110A1 (en) | 2018-09-27 | 2019-09-19 | Hoe |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES1220002Y (en) |
| WO (1) | WO2020065110A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037668A (en) * | 1976-04-14 | 1977-07-26 | Svejda Terry M | Gardening implement with offcenter balancing weight |
| US5285855A (en) * | 1993-02-11 | 1994-02-15 | Bojar James A | Adjustable pitch garden hoe tool |
| JP2001211701A (en) * | 2000-02-03 | 2001-08-07 | Shoichi Kawabata | Hoe |
| KR20080005183U (en) * | 2007-05-02 | 2008-11-06 | 주충열 | Combination structure of hoe and handle |
| WO2009094388A1 (en) * | 2008-01-25 | 2009-07-30 | Julie Gillman | Digging hoe |
| CN107347261A (en) * | 2017-09-06 | 2017-11-17 | 徐力棋 | The method that hoe long handle deposits seed |
-
2018
- 2018-09-27 ES ES201831460U patent/ES1220002Y/en active Active
-
2019
- 2019-09-19 WO PCT/ES2019/070615 patent/WO2020065110A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037668A (en) * | 1976-04-14 | 1977-07-26 | Svejda Terry M | Gardening implement with offcenter balancing weight |
| US5285855A (en) * | 1993-02-11 | 1994-02-15 | Bojar James A | Adjustable pitch garden hoe tool |
| JP2001211701A (en) * | 2000-02-03 | 2001-08-07 | Shoichi Kawabata | Hoe |
| KR20080005183U (en) * | 2007-05-02 | 2008-11-06 | 주충열 | Combination structure of hoe and handle |
| WO2009094388A1 (en) * | 2008-01-25 | 2009-07-30 | Julie Gillman | Digging hoe |
| CN107347261A (en) * | 2017-09-06 | 2017-11-17 | 徐力棋 | The method that hoe long handle deposits seed |
Also Published As
| Publication number | Publication date |
|---|---|
| ES1220002Y (en) | 2019-01-25 |
| ES1220002U (en) | 2018-11-05 |
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