#$%^&*AU2013201331B220150716.pdf#####ABSTRACT An improved zero-till tillage apparatus is described. Embodiments include a double disk opener that is robust and can perform well in many different soil types and conditions, although the apparatus is versatile and can be used with plain or scalloped coulter disks or tyne openers. The apparatus includes a depth control assembly which provides an easy, reliable and uniform method for controlling the depth. In one embodiment this includes a spring pin arrangement with fixed increments which allows for quick, easy and uniform adjustment of multiple individual tillage units. The coulter disk arm is angled forward to provide a compact and unique design, as this keeps the press wheel much closer to coulter disk and the sowing boot. This allows tighter turning with less stress on the tillage apparatus and less soil drag. The apparatus is a true parallelogram unit so as to allow the opener to follow ground contours providing for more uniform seed placement. Additionally a slot arrangement is used to facilitate mounting of the parallelogram assembly. Height control is achieved using either a spring or hydraulic arrangement.1/8 11 1 100 10 24 43 470 15 t21a 12 414 851b 26 22 16 23 50 2042 2 5 72 5 60 51a 70 7 88,6 75 80 84c 7 84b Figure 1
