CULTIVATOR Russian patent published in 2000 - IPC

FIELD: agricultural engineering. SUBSTANCE: cultivator has cross-bar 1, parallelogram sections 2-10 mounted on cross-bar 1, with space between sections being adjusted. Each parallelogram section had feeler wheel, interchangeable working tools and carrier wheels 12,13. Cultivator is further provided with mechanisms 14,15 for coordinated displacement of sections 3-10 and mechanism 16 for blocking sections 2-10 on cross-bar 1. Each of mechanisms 14,15 has drive shaft kinematically connected to individual drive screws and nuts mounted in brackets of movable sleeves for displacement along cross-bar 1. Mechanism 16 for blocking sections 3-10 on cross-bar 1 has eccentric disk provided with rotary arm and mounted by means of horizontal pin in pair of brackets above movable sleeve slot, which embraces perimeter part of cross-bar 1. EFFECT: reduced consumption of labor in the process of readjustment of cultivator, improved precision of arrangement of sections on cross-bar and increased efficiency. 3 cl, 6 dwg