Patent · US Active

Chopper with movable outlet floor ramp

US11684016B2 · kind B2 · utility

0Cited by

5References

14Claims

0Family size

Assignee

Deere & Company · US

Inventors

Christopher J. Faulkner · Eldridge, US
Martin Rittershofer · East Moline, US
Dirk Schubert · Rehweiler, DE
Martin STÖCK · Salez, CH

Key dates

Filing date	Oct 29, 2020
Grant date	Jun 27, 2023
Priority date	—
Expiry date	Oct 13, 2041

Classification

Technology area (CPC A)Human Necessities
CPC primaryA01F29/04
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A chopper for an agricultural harvester comprises a housing, a rotor, a bank of counter-knives, and an adjuster. The housing comprises a variable geometry outlet floor. The is positioned in an interior region of the housing for rotation therein relative to the housing. The bank of counter-knives is movable relative to the rotor between a first aggressiveness position and a second aggressiveness position to adjust chopping aggressiveness of the chopper. The outlet floor comprises a ramp movable relative to the rotor between a first ramp position and a second ramp position. The adjuster positions the ramp in the first ramp position when the bank of counter-knives is positioned in the first aggressiveness position and positions the ramp in the second ramp position when the bank of counter-knives is positioned in the second aggressiveness position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.