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US 2019/0098831 A1Published application
Agricultural harvesting head with float arm pivots below reciprocating knives
AssigneeDeere & Company
InventorsBryan R. Yanke, Daniel S. Hoffman, Adam L. Heeren, Duane M. Bomleny
Life of this patent
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Abstract
An agricultural harvesting head includes a laterally extending frame with several spaced apart float arms pivotally coupled to the frame at their rear ends, and a reciprocating knife fixed to the forward ends of the float arms, wherein the float arms are constrained to pivot with respect to the frame about pivot points that are lower than the reciprocating knife.
Claims16
An agricultural harvesting head for an agricultural combine configured to move through a field in a direction “V” harvesting crops, the head comprising:
- a laterally extending frame configured to be supported on a feederhouse of the agricultural combine;
- a plurality of float arms each arm having a forward portion configured to be fixed to a reciprocating knife and a rear portion pivotally coupled to the frame that extend forward from the frame to pivot up and down with respect to the frame;
- a laterally-extending reciprocating knife fixed to forward ends of the arms to pivot up and down with the arms and to flex as the agricultural harvesting head travels over the ground, wherein the float arms pivot with respect to the frame about corresponding pivot points that are lower than the reciprocating knife.
Dependencies are inferred from the claim text.