HAND-HELD DEVICE FOR THE TREATMENT OF SOIL LN unevenly

摘要

1. Manual device for soil treatment, comprising a holder for placing the associated tool holder, which is attached to at least one tooth, which comprises a substrate formed with a bend, and an operating portion which is convex on the radius surface and a cutting edge, characterized in that the working part of the tooth has stiffening zone located along its middle, where it has the greatest thickness which decreases towards the edges of the cutting edge of the tooth, the stiffness zone is located from the bottom cutting edge of the tooth edge at a distance of 5-15 mm and the radius the rounded surface of the working part of the tooth is R = (0,4-0,8) of the tooth height H to the base of inflection, while the angle of inflection of the tooth bases of at least 100 ° .2. Manual device according to claim 1, characterized in that the working part of the tooth drop-like formed or elipsopodobnoy or trapetsiepodobnoy.