Crop threshing or separating – Concave – Grid or grate
Reexamination Certificate
2006-06-13
2006-06-13
Petravick, Meredith (Department: 3671)
Crop threshing or separating
Concave
Grid or grate
C460S059000
Reexamination Certificate
active
07059961
ABSTRACT:
A device and method is disclosed for effecting movement and extending the clearance spacing between a rotor of a combine and a concave to allow for easy removal of lodged material. The apparatus and method additionally provide a reduction in rotor actuation motor torque and an increase in rotor mechanical advantage. Finally, the apparatus and method provide a travel limit to prevent a concave from being raised into, and having contact with, a rotor of a combine.
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Bucchianeri Stephen A.
CNH America LLC
Harms Michael G.
Petravick Meredith
Stader John William
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