FIELD: agriculture.
SUBSTANCE: device for fastening a protective casing of subsoiler working bodies, protecting from abrasion by the destroyed structure of cultivated soil is proposed. In the installation position, a pin passes through the through coaxial openings of the protective casing and the working body. In the groove located on it, a flat part of the spring element is inserted, fixing the pin from the longitudinal displacement in the coaxial openings. Wherein the spring element rests with its outer side of the concave resilient shape on the groove bottom, and rests with its lateral sides on the groove sides of the deep-ripper working body, while the spring element abuts with its outer side of the convex resilient shape against the protective casing, trying to increase the convex shape height due to reducing the spring element length. The pin may have several grooves.
EFFECT: invention allows to increase the reliability of fastening the protective casing to a working body of a subsoiler.
2 cl, 7 dwg
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