COMBINED DISK-ANCHOR TYPE SHANK Russian patent published in 2005 - IPC

FIELD: agricultural engineering, in particular, crop sowing equipment.

SUBSTANCE: shank has casing with unit for attachment to carrier of two-shank drill bar, flat disk disposed at an angle to direction of advancement, and fertilizer guide. Shank is equipped with pipeline for local application of liquid fertilizers, section with spring-type harrowing teeth attached to upper part of fertilizer guide, and bed-forming anchor composed of two sides. Exterior side 9 of bed-forming anchor is configured as vertical wall bent at an angle and extending along outer side of fertilizer guide with respect to disk. Front replaceable part of said side forming sweeping shield may be turned at an angle equal to or smaller than angle of friction of soil against working surface until said side comes into contact with disk. Rear part of said side of bed-forming anchor is extending in longitudinal direction to site behind fertilizer guide for defining one of its cheeks to which liquid fertilizer pipeline and seed spreader are secured, with seed spreader working surface being arranged under fertilizer guide pipe. Other interior side of bed-forming anchor is interposed between fertilizer guide, so that its upper part is attached to said fertilizer guide, and disk and is continued along track of disk up to the level of exterior side to define other cheek of bed-forming anchor.

EFFECT: improved quality of seed sowing on high-density bed and wider operational capabilities by providing simultaneous application of liquid and solid mineral fertilizers, moisture closing and weed killing.

2 dwg