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Priority to ES0284879ApriorityCriticalpatent/ES284879A1/en
Publication of ES284879A1publicationCriticalpatent/ES284879A1/en
Perfeccionamientos in disc harrows, consisting essentially of a practically rectangular frame, whose sides or sides are constituted by double beams that determine between them longitudinal guides, one of which is straight, while the opposite has its end some inflections or curves, and closing this frame with the corresponding minor sides, of which the front of the set is equipped with a joint for the yoke or oscillating piece that serves as means of hooking the harrow with the tractor thereof, arranging in the alluded articulation an auxiliary system to fix that yoke with the precise obliquity, system consisting of pins that take support in the fixed part of that same articulation and that penetrate in holes made for that purpose in the said yoke, close to the which is located, emerging from the same frame above, the trestle to which the bar of elevation of the tier. (Machine-translation by Google Translate, not legally binding)
ES0284879A1963-01-291963-01-29Improvements in disc grades (Machine-translation by Google Translate, not legally binding)
ExpiredES284879A1
(en)
Improvements introduced in the apporos de labranza grada de discos, in which system oscillating frames are used (Machine-translation by Google Translate, not legally binding)
Improvements in cultivating machines with security mechanisms coupled in the work arm clamps (Machine-translation by Google Translate, not legally binding)
New displacing rotoculating machine for arboriculture, adaptable to agricultural tractor (Machine-translation by Google Translate, not legally binding)
Some improvements in the tilting supports for the plows and cultivators of agricultural machines (Machine-translation by Google Translate, not legally binding)