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US 5,038,918 AGranted
Root crop harvester
AssigneeNational Research Development Corporation
InventorDouglas C. McRae
Life of this patent
Estimating the term…
Abstract
A root crop harvester including two endless web sections, with the first section overhanging the second section to form a step portion, and drive mechanism to vibrate the two web sections in their own planes by amounts that are unequal or can be made unequal (or equal) to suit the prevailing conditions.
Claims6
A root crop harvester comprising
- two endless web sections having a common direction of travel and overlapping in said direction of travel so that the first section overhangs the second section to form a step portion, and
- drive means for vibrating the two web sections in their own planes,
- said drive means being adjustable so that the amount by which each of the two web sections is vibrated with respect to one another can be varied,
- said web vibrations being parallel to said direction of travel.
1 more element
Dependencies are inferred from the claim text.