Double-Shoot, Single Pass Implement

a technology of implements and double-shoots, applied in the field of agricultural implements, can solve the problems of affecting the performance of the furrow, and the complexity of the planting unit and the overall cost of the implement,

Inactive Publication Date: 2014-04-24
CNH IND CANADA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a planting unit that creates separate fertilizer and seed trenches with minimal soil disturbance. The goal is to provide a more efficient and precise method of planting.

Problems solved by technology

This complexity also adds to the overall cost of the planting unit and the implement.
Dual disc units, such as those described in the aforementioned patent, have also been found to perform unsatisfactorily in soft soil conditions.
However, in soft soil conditions, the disc will essentially “plow” through the soil rather than cut an open furrow.
Furthermore, to accommodate the space needed for two rotational elements, the distance between the leading and trailing discs is relatively substantial and can led to disturbance of the furrow before the seed is planted.
The spacing between the discs also adds to the overall size, weight, and cost of the carrying frame.

Method used

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Examples

Experimental program
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Embodiment Construction

[0020]Referring now to the drawings, and more particularly to FIG. 1, an agricultural seeding system 10 is shown and, as known in the art, is generally comprised of a tractor 12, an air cart 14, and a seeder 16. The air cart 14 and the planter 16 are hitched to the tractor 12 in a conventional manner. The seeder 16 includes a tool bar 18 to which a set of openers 20 are coupled. The openers 20 each include a disc22 designed to cut a furrow into the soil. As known in the art, the air cart 14 pneumatically delivers seed and / or fertilizer to a set of delivery tubes (not shown) of the seeder 14 whereupon the seed and / or fertilizer is deposited in seed trenches or furrows cut by the discs 22. As will be described, the openers 20 are designed to deposit seed and fertilizer in a furrow with horizontal and vertical stratification in a single pass.

[0021]An exemplary opener 20 is shown in FIG. 2. Each opener 20 includes a parallel linkage assembly 24 that in the illustrated unit includes link...

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Abstract

An opener for depositing fertilizer and seed in a single pass, double-shoot manner includes a rotating disc that cuts a furrow in a planting surface, a fertilizer tube that drops fertilizer into the furrow, and a trailing seed tube assembly, having a cutting edge, that cuts a vertically and horizontally offset trench in the furrow to form a seed bed in the planting surface onto which seed is deposited. The seed trench provides a seed bed that is offset from the bottom of the furrow to provide horizontal and vertical stratification of the seed and fertilizer.

Description

BACKGROUND OF THE INVENTION[0001]The present invention relates generally to agricultural implements and, more particularly, to an opener that provides double-shoot, single pass deposition of fertilizer and seed onto a planting surface with horizontal and / or vertical stratification.[0002]Fertilizer and seed are generally deposited onto a planting surface in either a single shoot or double shoot manner. With a single shoot planting technique, a mixture of seed and fertilizer is deposited into a single furrow and subsequently packed. With a double shoot planting technique, seed and fertilizer are deposited into separate furrows, which may or may not be closely spaced, and then packed.[0003]A single shoot planting device or opener typically has a single delivery hose through which the mixture of granular fertilizer and seed is delivered to the furrow. More particularly, a single shoot planting device will typically include a cutting tip that is dragged at a depth just below the planting...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): A01B49/06
CPCA01B49/06A01C5/064A01C7/06
InventorSCHILLING, ROBIN B.NAYLOR, MATTHEW S.CHAHLEY, DENNIS W.
OwnerCNH IND CANADA