Cultivator attachment for tractor has a rotating shaft with profiled discs each made of two dish shaped structures with outer wavy profile

摘要

A cultivator attachment for a tractor has a rotating shaft with shaped cultivator discs. Each disc is made from two dish shaped profiles joined by the open faces and with and outer wavy profile (4) to crumble the soil. The profile of the discs is such that the angle between the outer faces of the discs with the shaft is greater than 90 deg. This reduces the grip on the soil and provides a self clearing action for the cultivator. For a finer tilth two shafts are fitted with the two sets of discs interdigitated