TILLAGE TOOL Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: tillage tool has chain with links, each carrying two sleeves. Sleeves have openings for receiving sharpened teeth. Chain is positioned at its both sides between plates by means of pin. Plates are attached to pin mounted in bearings, which are disposed in casing equipped with cover. Bearings are rotated in fork slots with fastening plates by means of stops. Pin is positioned in fork base for loose rotation in sleeve, which is located in triangular tie-rod having ends provided with openings. Pins are passed through openings for pivoting in shackles fixed to beam. Supporting beam is mounted through yokes on frame of outer seeding units or cultivators. Plate with slots for receiving tensioning chain is located in beam base. Other end of tensioning chain is located in shackles of triangular tie-rods. Tillage tool may be used for surface soil cultivation. EFFECT: enhanced reliability in operation and increased efficiency. 2 cl, 2 dwg