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.
Claims21
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,
- wherein the bottom of the portion prevents the spring plate from contacting the knife.
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
- wherein the bottom of the portion prevents the spring plate from contacting the knife.
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, wherein the bottom of the portion prevents the spring plate from contacting the knife.
Dependencies are inferred from the claim text.