US Patent 11319156 Sorting module and conveyer appartus composed thereof

A sorting module including two groups of transportation rollers, the two groups of transportation rollers include at least one group of irregular rollers, the other group of transportation rollers are regular rollers or irregular rollers, each group of transportation rollers include at least one row of transportation rollers, each row of transportation rollers include at least one transportation roller; the rotation center lines of each row of transportation rollers are on one straight line, and the rotation center lines of the two groups of transportation rollers are generally perpendicular to each other. A conveying device including the sorting module is simple in structure and low cost.