Harvesters – Gang
Patent
1991-03-05
1992-09-15
Bagnell, David J.
Harvesters
Gang
56 104, 56 127, A01D 7518, A01D 7530
Patent
active
051467330
ABSTRACT:
Method and apparatus for mowing a wide swath which is preferably hydraulically powered to provide reliability, efficiency, and ease of operation. The apparatus includes a rear section, or chassis, to which side-by-side wings are mounted which are pivotable by hydraulic cylinders from a folded position for trailering from location to location to an open position for mowing operations, the extent of pivoting being used to vary the width of the swath to be mowed. The wings are each provided with a second hydraulic cylinder for controlling the amount of weight on the casters mounted in the individual mowers mounted to the wings and a pressure regulator which compensates for changes in the pressure in the hydraulic cylinder to support a selected portion of the weight of the wing as the portion of the weight supported by the casters changes as the casters follow the contour of the swath being mowed.
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