Installation of passive working tools with lancet foot in one row with overlapping

Modern tillers are equipped with passive working tools with ripper tines in the front rows and lancet tines in the rear rows. Despite all the improvements made in the last few decades, passive working tools with lancet tines have one common disadvantage - they cannot be mounted on the frame of the implements in one row with overlapping. Meanwhile, single-row arrangement of passive working tools with lancet tines is essential in providing compactness and maneuverability of tillers, reducing their overall dimensions and reach length, the way of working tools burial and embedding and, ultimately, reducing the size of rotary strips. To eliminate drawbacks of serial passive working tools, we have developed a passive working tool with a lancet foot, consisting of a rack, bit and two asymmetric wings. The bit is rigidly fixed to the jig, while asymmetric wings with different solution angles are hinged by the elastic element to the rack. This working device, in spite of their installation in one row with overlapping, has slits between the wings of adjacent duck foot formed due to the difference of solution angles of asymmetric wings in the movement direction, so the plant remains are free to come off the wings and pass through these slits, preventing thereby the unloading of the soil. The hinge and the elastic element provide free deflection of the asymmetric wings of the arrow wings in the longitudinal-vertical plane relative to the stand, but at the same time it prevents its deflection in the horizontal plane, hence the formation of an untreated strip between adjacent tines.

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