The outer casing of the tower contains a motor-driven, vertical, cylindrical, rotary drum. The circumferential wall of the drum presents a series of evenly-spaced, vertical bars to engage slots on the underside of conveyor chain slats. Helically inclined deflecting rings fitted around the drum ...
The outer casing of the tower contains a motor-driven, vertical, cylindrical, rotary drum. The circumferential wall of the drum presents a series of evenly-spaced, vertical bars to engage slots on the underside of conveyor chain slats. Helically inclined deflecting rings fitted around the drum ...