414 / | HD | MATERIAL OR ARTICLE HANDLING |
467 | DF | SELF-LOADING OR UNLOADING VEHICLES {8} |
469 | DF | .~ With load-receiving portion, or significant section thereof, pivotable relative to horizontal {13} |
477 | DF | .~.~ Load-receiving portion also shiftable longitudinally {1} |
478 | .~.~.~ With driven means to move load relative to portion {1} | |
479 | DF | .~.~.~.~> Means serves also to shift portion in at least one direction |