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US 9,955,622 B2Granted
System for applying down pressure in a coulter assembly
AssigneeCNH Industrial Canada, Ltd.
InventorsGerard James Gadzella, Robin Bruno Schilling
Life of this patent
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Abstract
A coulter assembly for an agricultural implement. The coulter assembly includes a support structure and a disc blade rotatably mounted to the support structure. The coulter assembly also includes a spring assembly coupled to the support structure and configured to urge the disc blade into soil. The spring assembly includes a variable rate spring.
Claims13
A coulter assembly for an agricultural implement comprising:
- a support structure;
- a disc blade rotatably mounted to the support structure;
- and
- a spring assembly coupled to the support structure and configured to urge the disc blade into soil, wherein the spring assembly comprises a variable rate spring having multiple spring constants, and the spring rate of the variable rate spring is configured to vary in response to compression of the variable rate spring.
1 more element
A coulter assembly for an agricultural implement comprising:
- a disc blade;
- and
- a spring assembly configured to urge the disc blade into soil, wherein the spring assembly comprises a variable rate spring having multiple spring constants, and the spring rate of the variable rate spring is configured to vary in response to compression of the variable rate spring.
Dependencies are inferred from the claim text.