SHEET MATERIAL CONVEYING APPARATUS WITH DUAL-BOTTOM POCKETS

摘要

A sheet material conveying apparatus includes a plurality of pockets running along a track, each pocket having a bottom and a second movable between a first location where the second bottom is over the bottom, and a second location where the second bottom is not located over the bottom. An actuator is located to a side of the pockets for moving the second bottom between the first and second locations. A related pocket and a method are also provided.