Plow polisurco of portable grilles to plow with furrow more or less open or closed (Machine-translation by Google Translate, not legally binding)

摘要

POLISHING PLOW OF SLIDING GRIDS TO PLOW WITH PLUG MORE OR LESS OPEN OR CLOSED, essentially characterized by the bars or chisels are mounted with auxiliary parts that slide on a bar, being able to open or close at will through a spindle in shape of endless driven by a crank, with the end trucks being displaced with this endless by means of a nut of the same pitch as the endless, which is fixed to said cross-pieces. (Machine-translation by Google Translate, not legally binding)