Article grading apparatus

摘要

A multi-stream singulator has two continuously laterally adjacent streams of cups, which carry and advance articles to be graded to a discharge zone. Articles from the discharge zone are received onto a single stream grading conveyor. At least one of the streams of cups of the multi-stream singulator is a partial cup in advance of the other stream so that the items are discharged non-simultaneously at the discharge zone. Optical scanning of the articles is undertaken by a scanner scanning a zone of the singulating conveyor to determine a physical attribute of each article. Means are provided to associate the scanned attribute of each article from the singulating conveyor with its subsequent position on the single stream grading conveyor.