414 / | HD | MATERIAL OR ARTICLE HANDLING |
592 | DF | ELEVATOR OR HOIST AND LOADING OR UNLOADING MEANS THEREFOR {16} |
662 | DF | .~ Comprising means enabling additional movement of carrier or portion thereof relative to its support {3} |
663 | DF | .~.~ On portable (e.g., vehicle-mounted, etc.) elevator {1} |
664 | DF | .~.~.~ Carrier comprises spaced, elongated, horizontally coplanar, load-supporting members, at least one being movable {2} |
667 | .~.~.~.~ Shiftable in horizontal plane perpendicularly to axis of elongation |