Patent ID: 7900568
Filing Date: 2011-03-08
Classification: A01C

Abstract:
1. An opener for mounting on a shank of an agricultural implement, the opener comprising: a hollow central body having a mounting portion arranged for mounting on the shank; furrowing portions carried on the central body and arranged to form a seed bed as the central body is pulled through ground on the shank in a forward working direction, the furrowing portion comprising first and second leading edges situated on opposite first and second sides of the central body respectively; a seed delivery passage comprising a seed inlet and a seed outlet at opposite ends thereof and being operable to deliver seed onto the seed bed, the seed delivery passage extending through the hollow central body in front of the mounting portion thereof to the seed outlet, which is situated on the first side of the central body in a position leading the mounting portion in the forward working direction and trailing the first leading edge of the furrowing portions in the forward working; and a fertilizer delivery passage comprising a fertilizer inlet and a fertilizer outlet at opposite ends thereof and being operable to deliver fertilizer onto the seed bed, the fertilizer delivery passage extending through the hollow central body in front of the mounting portion thereof to the fertilizer outlet, which is situated on the second side of the central body in a position leading the mounting portion in the forward working direction and trailing the second leading edge of the furrowing portion in the forward working direction; whereby the double shoot opener is operable to deliver the seed and the fertilizer through the hollow central body onto the same seed bed from ahead of the shank on opposite sides of the central body.