Patent ID: 7398727

Claim:
In a square baler apparatus for cutting baling twine after a bale is wrapped, wherein the improvement comprises: a twine cutting knife having a fixed end and a free end, an elongated, angled cutting edge extending between said fixed end and said free end, and, a plurality of serrations on said cutting edge, said serrations including downwardly located cutting edges approximately perpendicular to a longitudinal axis of the twine cutting knife and second cutting edges at an oblique angle to said longitudinal axis; said square baler apparatus further including a twine holding disc mounted in proximity to said twine cutting knife such that said downwardly located cutting edge grabs twine as it is rotated by the twine holding disc, wherein said elongated, angled cutting edge extends a distance greater than a radius of said twine holding disc when said twine cutting knife is in a cutting position, and wherein each of the downwardly located cutting edges is positioned opposite to each of the second cutting edges.