Agricultural disc mower with knives, a spring plate, and a knife nut that acts as a stop
AssigneeCNH Industrial America LLC
InventorAlbert Childs
Life of this patent
Estimating the term…
Abstract
A disc cutter for an agricultural implement includes: a mounting bar including a bar opening; a bolt disposed in the bar opening; a knife nut including a nut opening in which the bolt is disposed; a knife including a knife opening in which the knife nut is disposed, the knife being configured to rotate about a rotation axis defined by the knife nut; and a spring plate biased towards the mounting bar and having a recess formed therein. The knife nut has a portion held in the recess and a bottom of the portion acts as a stop against movement of the spring plate towards the mounting bar.
Claims20
A disc cutter for an agricultural implement, comprising:
- a mounting bar comprising a bar opening;
- a bolt disposed in the bar opening;
- a knife nut comprising a nut opening in which the bolt is disposed;
- a knife comprising a knife opening in which the knife nut is disposed, the knife being configured to rotate about a rotation axis defined by the knife nut;
- and
- a spring plate biased towards the mounting bar and comprising a recess formed therein, wherein the knife nut comprises a portion held in the recess and a bottom of the portion acts as a stop against movement of the spring plate towards the mounting bar.
A cutter bar for an agricultural implement, comprising:
- a frame;
- and
- a plurality of disc cutters carried by the frame, at least one of the disc cutters comprising:
- a mounting bar comprising a bar opening;
- a bolt disposed in the bar opening;
- a knife nut comprising a nut opening in which the bolt is disposed;
- a knife comprising a knife opening in which the knife nut is disposed, the knife being configured to rotate about a rotation axis defined by the knife nut;
- and
- a spring plate carried by the frame, biased towards the mounting bar, and comprising a recess formed therein, wherein the knife nut comprises a portion held in the recess and a bottom of the portion acts as a stop against movement of the spring plate towards the mounting bar.
An agricultural mowing assembly, comprising:
- an agricultural vehicle;
- and
- an agricultural implement coupled to the agricultural vehicle, the agricultural implement comprising a cutter bar, the cutter bar comprising:
- a frame;
- and
- a plurality of disc cutters carried by the frame, at least one of the disc cutters comprising:
- a mounting bar comprising a bar opening;
- a bolt disposed in the bar opening;
- a knife nut comprising a nut opening in which the bolt is disposed;
- a knife comprising a knife opening in which the knife nut is disposed, the knife being configured to rotate about a rotation axis defined by the knife nut;
- and
- a spring plate carried by the frame, biased towards the mounting bar, and comprising a recess formed therein, wherein the knife nut comprises a portion held in the recess and a bottom of the portion acts as a stop against movement of the spring plate towards the mounting bar.
Dependencies are inferred from the claim text.