Furrow opener for seeder
First Claim
1. A shank for a seeder having furrow opening means at the lower end thereof for penetrating the ground to a desired level to form a main furrow, a sealer plate mounted on said shank above the bottom of the main furrow and trailing the leading portion of the furrow opening means, said sealer plate being below ground level with the shank at working depth and having wedge shaped side portions along opposite sides thereof with each side portion having surfaces that converge downwardly and which define edges that are to the exterior of the furrow opened by the shank, the edges also tapering downwardly in rearward direction, the side portions having facing surfaces on each of the opposite wedge shaped portions that taper toward each other in rearward direction, the side portions forming small auxiliary furrows laterally of the shank below the ground by packing the earth to provide a firm seed bed, said means defining spaced seed outlets on the shank for depositing seed in each of the auxiliary furrows.
1 Assignment
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Accused Products
Abstract
A furrow opener shank for use with seeders has seed outlets and fertilizer outlets at the lower end thereof, and includes a sealer plate which will permit the depositing of anhydrous ammonia or liquid fertilizer in a deep furrow and which positively seals the furrow prior to depositing the seeds in the furrow. The sealer plate has wedges that form a pair of grooves or small furrows spaced laterally of the center line of the furrow to provide pockets for the seeds being deposited. The shank has dual outlets for seed at the lower end so that seed is deposited in each of the furrows that are being formed by the sealer plate to keep the seed separated from the fertilizer to insure good germination and rapid growth as well as insuring placement of the seed in regions that are most likely to have moist soil.
52 Citations
9 Claims
- 1. A shank for a seeder having furrow opening means at the lower end thereof for penetrating the ground to a desired level to form a main furrow, a sealer plate mounted on said shank above the bottom of the main furrow and trailing the leading portion of the furrow opening means, said sealer plate being below ground level with the shank at working depth and having wedge shaped side portions along opposite sides thereof with each side portion having surfaces that converge downwardly and which define edges that are to the exterior of the furrow opened by the shank, the edges also tapering downwardly in rearward direction, the side portions having facing surfaces on each of the opposite wedge shaped portions that taper toward each other in rearward direction, the side portions forming small auxiliary furrows laterally of the shank below the ground by packing the earth to provide a firm seed bed, said means defining spaced seed outlets on the shank for depositing seed in each of the auxiliary furrows.
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3. A seeder shank having a furrow opening point at the lower end therof, said furrow opening point having a lower edge which penetrates the ground to a desired working level, a sealer plate mounted on said shank above the lower edge and to the rear of said furrow opening point and being positioned to be below ground level when the furrow opening point is at its desired working level, the sealer plate having a central, downwardly facing substantially flat surface portion and a pair of depending furrow forming portions adjacent the opposite lateral sides thereof and on opposite sides of the flat surface portion, said furrow forming portions each having surfaces that taper toward each other from a maximum spacing between the surfaces adjacent the central surface to edges that are to the exterior of the furrow opened by the shank and which edges taper downwardly in rearward direction, and each of the furrow forming portions having one surface facing the surface of the other furrow forming portion, the facing surfaces having upper edges which taper toward each other in rearward direction, the furrow forming portions packing dirt to form a pair of spaced apart small auxiliary furrows laterally of the shank for preformed seed beds, and such shank further including seed outlet means having outlet openings substantially overlying said small auxiliary furrows.
Specification