414 / | HD | MATERIAL OR ARTICLE HANDLING |
788 | DF | APPARATUS FOR MOVING INTERSUPPORTING ARTICLES INTO, WITHIN, OR FROM FREESTANDING, ORDERLY LAYERED, OR MUTUALLY STABILIZING ORDERLY GROUP {4} |
788.1 | DF | .~ Stack forming apparatus {17} |
789.2 | .~.~ Forms layered stack or row and then upends it {1} | |
789.3 | DF | .~.~.~> Tiers or layers formed and sequentially added to stack prior to upending {1} |