SCREW CONVEYOR FOR TRANSPORTATION OF GRAIN Russian patent published in 1997 - IPC

FIELD: materials handling facilities; transportation of grain at elevators, combined fodder preparation and grain processing enterprises. SUBSTANCE: screw conveyor has drive, guide members made in form of three straps with cylindrical shells installed for rotation, and loading appliances. Straps are made to straight lines arranged at angle of 60 degrees relative to strap edges to form equilateral triangles arranged over screw line, alternating, one relative to the other, in opposite sides at angle of 140 degrees. Straps are interconnected along longitudinal edges at angle of 140 degrees to form three broken screw lines over perimeter of guide members. Points of convergence of sides of equilateral triangles lie in vertices of broken lines. EFFECT: enlarged operating capabilities. 2 cl, 12 dwg