414 / | HD | MATERIAL OR ARTICLE HANDLING |
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467 | DF | SELF-LOADING OR UNLOADING VEHICLES {8} |
469 | DF | .~ With load-receiving portion, or significant section thereof, pivotable relative to horizontal {13} |
482 |  | .~.~ Trailer-type vehicle having load-receiving portion pivotable relative to at least one other component of vehicle {3} |
483 | DF | .~.~.~> About joint or other connection in structure (e.g., drawbar, frame, etc.) normally extending linearly, or planarly, from tow-engaging end of vehicle to axis of wheels of vehicle, and relative to said end |
484 | DF | .~.~.~> About axis located between or adjacent to wheel sets of vehicle having plural, tandemly arranged sets of rear wheels, and relative to tow-engaging end of vehicle |
485 | DF | .~.~.~> About axis of wheels of vehicle having two wheels, and relative to tow-engaging end of vehicle |