So, take a steel pipe with an internal diameter of about 120 mm and a thickness of 3 mm. Cut off from her “tube” with a length of approximately 160 mm. and it is performed by two “window” sizes of 50 and 80 mm, are located against each other. Practically we get two separate concave shell, the vertical edges of which are sharpened, forming a cutting edge, as shown in the figure.
1 — side shell with pointed edges; 2 — support plate of the tool; 3 — strut; 4 — control arm
The top edges the two shells are welded to a strong disc with a diameter of 120 mm, so that between them remained the mentioned distances 50 and 80 mm To the upper surface of the disk is welded to the front of the pipe with a diameter of 30 mm, and it, in turn, perpendicular to the lever, the same pipe he will play the role of a transverse handle of the tool.
Described tool differs from traditional devices in the Arsenal of farmers and gardeners not only in appearance but also its application. In this sense, the digger has its advantages when performing large-volume, over an extensive area, where its features provide noticeable relief of labor and simplification of operations. For example — in manual planting potatoes in large areas.
The process will look as follows. Landing takes a digger for control arm, sets her work head to the right spot and pushes into the soil with your foot, if necessary (if the soil is rather compact) making the small arm of the reciprocating rotary movement.
After this penetration occurs the opposite effect: pulling with both hands at the same lever, the digger carved out with its cylinder of soil, opening the resulting round hole and put the tuber, “sealing” his released from digging the soil.
In the same way, harvested and holes for planting flowers, plants, cuttings of shrubs and fruit trees.
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