SELF-PROPELLED GRAIN LOADER-THROWER Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: grain loader- thrower has frame mounted on three wheels and adapted to carry conveyor, drive and replaceable discharging device. Both rear drive wheels of grain loader are rigidly fixed on axle shafts. Mechanical cam clutches are mounted on driven sprockets of drive and equipped with mechanism for changing transmitted torque. Torque changing mechanism has nut-handle and is made in the form of screw pair. Nut-handle is mounted for blocking axle shafts in their extreme positions and for free rotation thereof. Arrangement of nut-handle in needed position provides for effective controlled movement of grain loader-thrower. EFFECT: increased efficiency and simplified construction. 3 dwg