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Priority to ES0033697UpriorityCriticalpatent/ES33697Y/en
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Publication of ES33697YpublicationCriticalpatent/ES33697Y/en
Articulated hook with spring device for cultivators, consisting essentially of a metal bar curved at one end, ending in a point, whose bar is articulated, as a lever of first gender on the frame of the cultivator, being subjected to the action of a spring wound on the articulation pin that works in torsion and whose ends are fixed to the bar and frame respectively, said spring tending to keep it constantly in the working position, but cushioning the collisions and displacements of that bar. (Machine-translation by Google Translate, not legally binding)
ES0033697U1952-11-261952-11-26
Articulated hook with spring device for cultivators
ExpiredES33697Y
(en)
Some improvements in the tilting supports for the plows and cultivators of agricultural machines (Machine-translation by Google Translate, not legally binding)
Automatic swingarm device applicable to agricultural cultivating seeders reamers and similar machines (Machine-translation by Google Translate, not legally binding)