Importance

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Abstract

A crop harvesting header has a cutter bar with a plurality of generally horizontal flail disks mounted thereon for driven rotation about generally upright axes spaced along the cutter bar. The disks each carry a pair of blades at diametrically opposed positions. The blades are shaped such that a leading cutting edge lies generally in a radial plane of the axis and extends generally outwardly from the axis from an inner end of the leading edge to an outer end of the leading edge where the outer end of the leading edge is angularly advanced relative to the inner end. This can be achieved by moving the pivot point of the blade pivot axis forward toward the leading edge. The blade may be twisted so that the trailing edge is above the leading edge.

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First Claim