CONVEYOR WITH TROUGHED LOW FRICTION, POSITIVE DRIVE BELT

摘要

A conveyor comprises an endless thermoplastic belt (12) having a substantially flat surface on one side of the belt and a plurality of teeth (28) on the other side of the belt. The teeth are adapted to be driven without tension around a drive sprocket and an idler The conveyor further includes means to cause the belt to form a longitudinal trough between the drive sprocket and the idler to retain conveyed items on the belt. The means can comprise a discontinuity (42) in the teeth, shortened teeth, and/or guides that apply a force to the edges of the belt.