Adjustable multiple row harvester head assembly

Details Adjustable multiple row harvester head assembly Adjustable multiple row harvester head assembly

A - Human Necessities

01

D

56/19

A01D 45/00 (2006.01) A01D 45/02 (2006.01)

Patent

CA 1207538

Abstract An adjustable multiple row head assembly 10 for a crop harvester provides cantilevered support arms 56, 58, 60 for a plurality of row head units 12, 14, 16. The units are adjustably positioned for har- vesting crops planted in differently spaced rows. An adjusting device 64 for the row head units pro- vides infinitely variable adjustment, and specifically includes a jackscrew 70 operating between a moveable frame member 44, 48 of the row head unit and the fixed cantilevered support arm 56 therefor. The row head units extend in a fore-and-aft direction with respect to a base 18 and include gathering conveyors 24, 26 driven by sprockets 34, 36, 40. The conveyors coop- eratively form passageways 28 having inlets 13, 15, 17 for the crop, and engage idler sprockets 38 ad- justable in accordance with the row head unit adjust- ment to maintain proper tension in the conveyors. The adjustable row head units pivot about an axis 46 forwardly of the driving sprockets for the conveyors thereof, thus discharging the crop at substantially the same point, direction and orientation with respect to the cutting or chopping inlet of the harvester.

436021

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