ES1025222U - Blade tillage machines. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Blade for machines of labranza, applicable to any model of grade-rastra with purposes to allanar lands in agricultural farms, essentially characterized because it fundamentally comprises an angular knives, some arms-supports, single clamps, single springs and some springs-tensors of these last, disposing the blades at the lower limits of the arms, fastening the clamps to such arms in an intermediate area through a screw-shaft guaranteeing their turn on a front or shooting bar to which they are combined, having provided on the top of the arms the assembly of the springs whose voltage is regulated with the allowed asparagus that joins the arm through another screw-shaft, where those springs are subject through a parts subject-springs, limiting the race of said springs with hats available at the end of the same, guaranteed that the cutting of the blade with stones and other obstacles during her arrastr e porla tierra occasione the turn towards back of the arm and its blade and its back return to its normal work position, merced to the action of the clamps that allow its turn and of the springs that facilitate its tension and distension. (Machine-translation by Google Translate, not legally binding)