| 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} |
| 791.6 | DF | .~.~ Sequentially forms or adds completed layers {5} |
| 792 | DF | .~.~.~ Crosses articles in adjacent layers {3} |
| 792.2 | | .~.~.~.~ With rotating stack support {1} |
| 792.3 | DF | .~.~.~.~.~> Rotated between addition of completed layers |