TODAY’S PATENT – VARIABLE TOOTH COULTER BLADE WITH SIZED INSERTS
The Variable tooth coulter blade with sized inserts was invented Richard L. Christie, Ryan J. K. Christie, John D. Nance on 11th August 2016 bearing patent number US20150089705A.
The present invention relates to a system and method cuts and increases surface area of surface stubble material while contemporaneously mulching, tiling and aerating the soil. A discoidal coulter blade is configured with a plurality of circumferential teeth for cutting the surface stubble as well as reducing the downward pressure required for the blade to enter the type and depth of soil desired. The circular coulter blade is configured with a plurality of inserts oriented normal to the rotational movement of the blade as the blade cuts the soil. Each insert is shaped to aerate a specific type of soil anticipated by an operator. The inserts are positioned on the blade for desired impact with the soil and angled in placement on the blade to maintain the desired effect on the soil.
An additional embodiment of the present invention is directed to a coulter blade wherein the cutting edge of a first half of the plurality of teeth is sharpened on a first lateral side and the cutting edge of a second half of the plurality of teeth is sharpened on a second lateral side, each tooth of the first half having two teeth of the second half planarly adjacent and each tooth of the second half having two teeth of the first half.