414 / | HD | MATERIAL OR ARTICLE HANDLING |
266 | DF | PLURAL, STATIC STRUCTURES FOR SUPPORTING DISCRETE LOADS AND CHARGING OR DISCHARGING MEANS THEREFOR {1} |
267 | DF | .~ Load-underlying members (e.g., racks, receptacles (or a compartmented receptacle), shelves, troughs, etc.) {7} |
277 | .~.~ Charging or discharging means includes load sustaining surface and device to transfer load, with horizontal component of movement, from or to surface or member {3} | |
278 | DF | .~.~.~> Device comprises one or more conveyors of driven roller or endless apron type |
279 | DF | .~.~.~> Device includes self-powered, track-guided car |
280 | DF | .~.~.~> Device includes push-pull mechanism |