Fastening device for coupling ploughing elements in...

A - Human Necessities – 01 – B

Patent

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A01B 15/02 (2006.01)

Patent

CA 2690598

Fastening device for coupling ploughing elements in agricultural cultivation machines, said ploughing elements (3) include ploughshares, points, blades or any similar type of tool, characterised in that it comprises an intermediate fastening element (2), formed by a robust body, which joins the ploughing element (3) to the support arm; said intermediate fastening element (2) is equipped with fastening means (1) for linking thereof to the support arm; guiding means (4) for insertion of the former inside the ploughing element (3); and an aperture (5), passable transversely with respect to the direction of the guiding means (4) intended for insertion of an extractable bolt (6) which, in insertion position for said bolt (6), acts as a retaining element for the ploughing element (3) with respect to the intermediate fastening element (2). Said arrangement enables the user/operator to manually replace or reposition the ploughing element, avoiding any need for accessory tools for this purpose.

L'invention concerne un dispositif de fixation pour l'accouplement d'éléments de labourage à des machines de culture agricoles, lesdits éléments de labourage (3) étant des grilles, des pointes, des lames ou n'importe quel autre type d'outil similaire. L'invention se caractérise par le fait qu'elle comprend un élément de fixation intermédiaire (2) composé d'un corps massif unissant l'élément de labourage (3) au bras de support. Ledit élément de fixation intermédiaire (2) est équipé de moyens de fixation (1) permettant de le relier au bras de support, de moyens de guidage (4) permettant d'insérer l'élément de fixation dans l'élément de labourage (3), et d'un orifice (5) traversant transversal par rapport à l'orientation des moyens de guidage (4), destiné à l'insertion d'une fiche (6) amovible qui, lorsqu'elle est mise en place, fait office d'élément de retenue pour l'élément de labourage (3) par rapport à l'élément de fixation intermédiaire (2). Le dispositif de l'invention permet de remplacer et/ou de repositionner l'élément de labourage simplement, manuellement, aucun outil accessoire n'étant nécessaire pour réaliser cette opération.

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