FR2460593A1 - Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots - Google Patents

Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots Download PDF

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Publication number
FR2460593A1
FR2460593A1 FR7918054A FR7918054A FR2460593A1 FR 2460593 A1 FR2460593 A1 FR 2460593A1 FR 7918054 A FR7918054 A FR 7918054A FR 7918054 A FR7918054 A FR 7918054A FR 2460593 A1 FR2460593 A1 FR 2460593A1
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France
Prior art keywords
tool
burying
roots
instrument
hole
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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.)
Granted
Application number
FR7918054A
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French (fr)
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FR2460593B1 (en
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ROSELLE ARMAND DU
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ROSELLE ARMAND DU
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Filing date
Publication date
Application filed by ROSELLE ARMAND DU filed Critical ROSELLE ARMAND DU
Priority to FR7918054A priority Critical patent/FR2460593A1/en
Publication of FR2460593A1 publication Critical patent/FR2460593A1/en
Application granted granted Critical
Publication of FR2460593B1 publication Critical patent/FR2460593B1/fr
Granted legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C5/00Making or covering furrows or holes for sowing, planting or manuring
    • A01C5/02Hand tools for making holes for sowing, planting or manuring

Abstract

The spade has a blade with an elongated triangular shape, extending downwards to a point (3). Its top (1) is extended outwards each side, providing a support (4) for the foot when inserting the tool into the ground. A tang (5) is also provided, for use with a suitable handle (6). The blade is open at its centre, leaving two narrow outer strips (2) terminating at the point. This blade is also curved in its plane, to provide a scooping action when inserted into the ground.

Description

L'invention concerne principalement l'enfouissage d'engrais dans la terre, notamment autour du pied des arbres. The invention mainly relates to the burial of fertilizers in the earth, especially around the base of trees.

On sait que cette opération doit se faire à la projection sur le sol de la couronne des branchages et à une profondeur de 50 à 80 cm, endroit où se trouve généralement l'extrémité des radicelles. We know that this operation must be done at the projection on the ground of the crown of branches and at a depth of 50 to 80 cm, where the end of the rootlets is generally located.

Elle est pratiquée généralement au moyen d'un pieu enfoncé à l'aide d'une masse, ou encore d'une barre à mine enfoncée par percussion à l'aide de sa propre masse, le pieu ou la barre à mine étant ensuite actionné latéralement pour agrandir le trou en forme de cône droit. L'instrument est ensuite retiré avant de verser l'engrais dans ce trou. It is generally practiced by means of a pile driven in with the help of a mass, or alternatively a crowbar pressed by percussion using its own mass, the pile or the crowbar being then actuated laterally to enlarge the hole in the shape of a straight cone. The instrument is then removed before pouring the fertilizer into this hole.

L'opération est longue et pénible d'autant plus qu'elle doit être répétée un grand nombre de fois autour du pied de chaque arbre. The operation is long and painful especially since it must be repeated a large number of times around the base of each tree.

Le but de l'invention est de réaliser un nouvel instrument qui soit d'une pénétration plus facile pour permettre un travail pour rapide et moins pénible, et qui réalise un trou d'une forme plus appropriée à sa destination. The object of the invention is to produce a new instrument which is easier to penetrate to allow work to be carried out quickly and less strenuously, and which produces a hole of a shape more suitable for its destination.

L'invention consiste à réaliser un instrument fixé au bout d'un manche et comportant une traverse servant d'appui pour le pied de l'utilisateur et deux tiges allongées partant de cette traverse et se réunissant entre elles à leur autre extrémité de manière à constituer une sorte de triangle isocèle étroit avec sa pointe en bas, l'ensemble étant de préférence incurvé à la manière d'une fourche-bêche. The invention consists in making an instrument fixed at the end of a handle and comprising a cross member serving as a support for the user's foot and two elongated rods starting from this cross member and joining together at their other end so as to constitute a sort of narrow isosceles triangle with its point downwards, the assembly preferably being curved in the manner of a spade fork.

D'autres particularités de l'invention apparaîtront dans la description qui va suivre d'un mode de réalisation pris comme exemple et représenté sur le dessin annexé, sur lequel
la fig. 1 est une vue de face de l'instrument, et
la fig. 2 une vue de profil de-ce même instrument.
Other features of the invention will appear in the following description of an embodiment taken as an example and shown in the accompanying drawing, in which
fig. 1 is a front view of the instrument, and
fig. 2 a profile view of the same instrument.

Comme on le voit sur ces figures, l'instrument se compose essentiellement d'une traverse 1 horizontale et de deux tiges longitudinales 2 réunies à leur extrémité commune 3 pour constituer une pointe unique, l'ensemble affectant la forme d'un triangle isocèle de base étroite et avec sa pointe en bas.  As can be seen in these figures, the instrument essentially consists of a horizontal cross-member 1 and two longitudinal rods 2 joined at their common end 3 to form a single point, the assembly affecting the shape of an isosceles triangle of narrow base and with its tip down.

L'instrument a de préférence une longueur d'environ 80 cm de la base 1 à sa pointe 3 et une largeur à la base du triangle d'environ 6 à 8 cm. La traverse 1 se prolonge de préférence de part et d'autre par des parties dépassantes 4 afin de donner une largeur suffisante pour permettre l'appui du pied de l'usager. En outre, le milieu de la traverse 1 se prolonge vers le haut par une mèche 5 permettant son emmanchement dans un manche 6 terminé par une virole métallique 7 d'une manière usuelle, ou tout autre type d'emmanchement. The instrument preferably has a length of approximately 80 cm from the base 1 to its tip 3 and a width at the base of the triangle of approximately 6 to 8 cm. The cross member 1 is preferably extended on both sides by protruding parts 4 in order to give a sufficient width to allow the support of the foot of the user. In addition, the middle of the cross member 1 is extended upwards by a wick 5 allowing its fitting into a handle 6 terminated by a metal ferrule 7 in the usual manner, or any other type of fitting.

Enfin, comme on le voit sur la fig. 2, l'ensemble qui part sensiblement dans le prolongement du manche 6, s'incurve progressivement à la manière d'une fourche-bêche. Finally, as seen in fig. 2, the assembly which extends substantially in the extension of the handle 6, is curved progressively in the manner of a spade fork.

Grâce à sa faible section et à son faible poids, l'ensemble se manipule aisément et s'enfonce facilement dans le sol à la manière d'une fourche-bêche, l'utilisateur appuyant son pied sur une des parties 4 en utilisant son propre poids et en tirant progressivement sur le manche pour aider à la pénétration courbe. Une fois enfoncé, ou même en cours de pénétration, l'usager donne d'autre part un mouvement de vaet-vient d'avant en arrière et latéral au manche, ou encore un mouvement conique mais en évitant de donner à ce manche un mouvement de rotation d'ensemble, ceci afin d'élargir le trou. Cependant, dans ce mouvement latéral, comme dans le mouvement de pénétration, la faible section de l'ensemble des tiges 2 réduit considérablement l'effort et produit un trou de forme générale courbe et de section sensiblement rectangulaire.Le retrait de l'instrument est également grandement facilité par son faible poids et par les dépassements 4 qui servent éventuellement de poignée d'extraction si l'action sur le manche devient insuffisante. Par exemple, dans le cas où des pierres ou des mottes dures viendraient s'introduire dans l'intervalle entre les deux tiges 2, celles-ci seraient simplement extraites du trou par la convergence de ces tiges ce qui contribue par conséquent à dégager le trou. Thanks to its small section and its low weight, the assembly is easy to handle and sinks easily into the ground like a spade fork, the user pressing his foot on one of the parts 4 using his own weight and gradually pulling on the handle to help curved penetration. Once pressed, or even during penetration, the user gives on the other hand a back-and-forth movement from front to back and lateral to the handle, or a conical movement but avoiding giving this handle a movement of overall rotation, this in order to widen the hole. However, in this lateral movement, as in the penetration movement, the small section of the set of rods 2 considerably reduces the effort and produces a hole of generally curved shape and of substantially rectangular section. also greatly facilitated by its low weight and by the overhangs 4 which may serve as an extraction handle if the action on the handle becomes insufficient. For example, in the case where stones or hard lumps are introduced into the interval between the two rods 2, these would simply be extracted from the hole by the convergence of these rods which therefore contributes to clearing the hole .

L'instrument permet donc à l'usager de réaliser sans fatigue et rapidement un nombre important de trous autour de l'arbre. D'autre part, la forme courbe de chaque trou, et surtout sa section sensiblement rectangulaire ou en forme de huit augmente considérablement la section d'échange entre l'engrais et le sol tout en augmentant la hauteur de répartition de l'engrais dans le sol pour un même volume d'engrais. The instrument therefore allows the user to quickly and without fatigue make a large number of holes around the shaft. On the other hand, the curved shape of each hole, and especially its substantially rectangular or eight-shaped section considerably increases the exchange section between the fertilizer and the soil while increasing the distribution height of the fertilizer in the soil for the same volume of fertilizer.

En effet, dans le cas d'un trou conique réalisé à l'aide d'une barre à mine ou d'un pieu, le trou est généralement d'une trop forte section à l'entrée de sorte que le petit volume d'engrais introduit descend immédiatement par gravité au fond du trou, d'où il a très peu de chance de migrer vers les radicelles se trouvant au-dessus de ce niveau. Au contraire, dans le cas de l'invention tous les niveaux se trouvent fournis en engrais même avec un faible volume.  Indeed, in the case of a conical hole made using a crowbar or a pile, the hole is generally of too large a section at the entrance so that the small volume of introduced fertilizer immediately descends by gravity to the bottom of the hole, from where it has very little chance of migrating to the rootlets above this level. On the contrary, in the case of the invention all the levels are supplied with fertilizer even with a small volume.

Claims (4)

REVENDICATIONS 1. Instrument agricole pour faire un avant trou dans la terre, notamment pour l'enfouissage d'engrais, caractérisé par le fait qu'il comporte une traverse montée perpendiculairement à un manche et de laquelle partent deux tiges séparées se réunissant à leur extrémité inférieure en une pointe commune, l'ensemble affectant la forme d'un triangle isocèle à base étroite. 1. Agricultural instrument for making a pilot hole in the ground, in particular for the burial of fertilizers, characterized in that it comprises a cross member mounted perpendicular to a handle and from which two separate rods come together meeting at their lower end in a common point, the whole affecting the shape of an isosceles triangle with a narrow base. 2. Instrument selon la revendication 1, caractérisé par le fait que la base du triangle mesurée sur l'extérieur des tiges représente environ 6 à 8 cm, et que la hauteur du triangle de la base à la pointe est d'environ 80 cm. 2. Instrument according to claim 1, characterized in that the base of the triangle measured on the outside of the rods represents approximately 6 to 8 cm, and that the height of the triangle from the base to the point is approximately 80 cm. 3. Instrument selon l'une quelconque des revendications 1 et 2, caractérisé par le fait que ladite traverse se prolonge latéralement par des parties dépassantes servant d'appui pour le pied et éventuellement de prise pour la main. 3. Instrument according to any one of claims 1 and 2, characterized in that said crosspiece is extended laterally by protruding parts serving as support for the foot and optionally for grip for the hand. 4. Instrument selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'ensemble de l'instrument est incurvé à la manière d'une fourche-bêche. 4. Instrument according to any one of the preceding claims, characterized in that the entire instrument is curved in the manner of a spade fork.
FR7918054A 1979-07-11 1979-07-11 Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots Granted FR2460593A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7918054A FR2460593A1 (en) 1979-07-11 1979-07-11 Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7918054A FR2460593A1 (en) 1979-07-11 1979-07-11 Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots

Publications (2)

Publication Number Publication Date
FR2460593A1 true FR2460593A1 (en) 1981-01-30
FR2460593B1 FR2460593B1 (en) 1983-02-25

Family

ID=9227781

Family Applications (1)

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FR7918054A Granted FR2460593A1 (en) 1979-07-11 1979-07-11 Tool for burying manure around trees - has long tapered curved triangular blade with open centre to form tapered hole at roots

Country Status (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR462227A (en) * 1913-09-05 1914-01-22 Wilhelm Tonke Skeleton excavator
FR569038A (en) * 1922-07-29 1924-04-05 Spade
FR596608A (en) * 1924-04-15 1925-10-28 Spade
FR597631A (en) * 1925-03-25 1925-11-25 Spade on foot
US1908735A (en) * 1932-11-29 1933-05-16 George H Donaldson Weed removing implement
CH177160A (en) * 1934-05-21 1935-05-31 Grob Ulrich Tool for digging crops with strong roots.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR462227A (en) * 1913-09-05 1914-01-22 Wilhelm Tonke Skeleton excavator
FR569038A (en) * 1922-07-29 1924-04-05 Spade
FR596608A (en) * 1924-04-15 1925-10-28 Spade
FR597631A (en) * 1925-03-25 1925-11-25 Spade on foot
US1908735A (en) * 1932-11-29 1933-05-16 George H Donaldson Weed removing implement
CH177160A (en) * 1934-05-21 1935-05-31 Grob Ulrich Tool for digging crops with strong roots.

Also Published As

Publication number Publication date
FR2460593B1 (en) 1983-02-25

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