ROTOBALER Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: device has wheeled running gear, pickup, shafts arranged over roll perimeter, two upper triangular conveyors (front and rear) and lower conveyor, hydraulic cylinder installed on lever arm and coupled with catches fixing movable portion of bale density chamber. Movable shafts coupled with spring through levers are located at corners of upper conveyors. Front upper conveyor has shaft extending into roll. Dimensions of this shaft are bigger than those of other shafts. Rear upper conveyor has lower shafts on spring-loaded movable lever. Lower conveyor has shaft installed on slots for displacement towards upper rear conveyor. Catches are located with mouth pointed upwards and are provided with bevel for fixing the chamber. Hitch frame of device is connected to tractor through intermediate link in form of U-shaped pipe and shackle with pin. EFFECT: enlarged operating capabilities. 4 dwg