Furrow closing apparatus
First Claim
1. In a furrow closing apparatus mounted to a knife drawn in a plane of travel, the knife having a generally vertical shank, the furrow closing apparatus having a mounting member mounted to said shank and having a pair of spaced apart disks rotatably supported upon said mounting member, the improvement comprisingsaid mounting member comprising a substantially vertically disposed mounting plate and a base plate,said mounting plate mounted to said shank,said base plate selectively mountable at a multiplicity of vertical positions thereof to said mounting plate.
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Accused Products
Abstract
A furrow closer for mounting to an anhydrous ammonia fertilizer applicator knife. The furrow closer has a base plate which can be selectively mounted to a mounting bracket fixed to the shank of the applicator knife. A pair of offset fluted disks lie in intersecting planes with the leading edges of the disks spiced further apart than the trailing edges. The disks are suspended of an axle which is pivotable on an axis perpendicular to the line of travel of the applicator knife.
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Citations
15 Claims
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1. In a furrow closing apparatus mounted to a knife drawn in a plane of travel, the knife having a generally vertical shank, the furrow closing apparatus having a mounting member mounted to said shank and having a pair of spaced apart disks rotatably supported upon said mounting member, the improvement comprising
said mounting member comprising a substantially vertically disposed mounting plate and a base plate, said mounting plate mounted to said shank, said base plate selectively mountable at a multiplicity of vertical positions thereof to said mounting plate.
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8. Apparatus to close a furrow created by a knife drawn in a plane of travel through soil, the knife having a curved shank with a tooth depending therefrom, comprising
a mounting member mountable to the shank of the knife, a supporting arm depending from said mounting member, an axle member transversely mounted to said supporting arm, said axle member having an axis disposed generally transversely to the plane of travel of said knife, said axle member partially rotatable about the axis thereof, a bar member fixed to said axle member, said bar member having an axis disposed generally transversely to the plane of travel of said knife, said axis of said bar member spaced apart from said axis of said axle member, said bar member revolvable over a limited range about he axis of said axle member, said bar member having a pair of spaced apart legs depending therefrom, each of said legs having a disk rotatably mounted thereto, each of said disks having a central axle therein, each of said disks rotatable about the central axle thereof, each of the central axles of said disks is disposed generally horizontally, a first of said disks disposed forward of the other of said disks.
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9. Closing apparatus for urging soil into a longitudinal trench formed by a knife drawn through soil, the knife having a shank, comprising
a mounting member mountable to the shank of the knife, a supporting arm depending rearwardly from said mounting member, an elongate bar member supported upon said supporting arm, said bar member having opposing ends thereon, said bar member having an axis disposed generally transversely to said trench, said bar member rotatable about the axis thereof, said bar member having a pair of spaced apart legs depending therefrom, each of said legs having a disk rotatably mounted thereto, each of said disks being disposed generally vertically, a first of said disks disposed forward of the other of said disks, whereby when said first of said disks is urged upwardly, said other of said disks is correspondingly urged downwardly.
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14. The apparatus of claim wherein
said first of said disks defines a plane which intersects a plane defined by said other of said disks, said intersection of said planes defining a substantially vertical line which when extended passes through said trench.
Specification