Twine cutting knife for square baler apparatus
AssigneeInterform, Inc.
InventorJohn Wright
Life of this patent
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Abstract
A twine cutting apparatus in combination with an automated grass baler having a twine holding reel for feeding wrapping twine to the baled grass. The apparatus has a pivoted knife arm with a first end structured to cooperate with a cam surface for actuating the knife arm to a cutting position and an opposite end for mounting a twine cutting knife. The twine cutting knife is formed with an elongated, serrated cutting edge extending a distance greater than the radius of the twine holding disc presenting an elongated cutting surface to said twine.
Claims7
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 a downwardly located cutting edge approximately perpendicular to a longitudinal axis of the twine cutting knife and a second cutting edge at an oblique angle to said longitudinal axis.
A twine cutting apparatus in combination with an automated square baler wherein the improvement comprises:
- a twine holding disc for holding twine after a needle places it within the twine holding disc;
- a knife arm including a twine cutting knife fixed thereon;
- said knife arm having a central pivot pin, a first end of said knife arm structured to cooperate with a cam surface to pivotably rotate said knife arm into a twine cutting position;
- said knife arm including a second end;
- a twine cutting knife mounted on said second end of said knife arm;
- said twine cutting knife having an elongated, serrated cutting edge;
- said cutting edge extending a distance greater than the radius of said twine holding disc when said twine cutting knife is in a cutting position to present an elongated cutting surface to cut said twine.
Dependencies are inferred from the claim text.