With Load-receiving Portion, Or Significant Section Thereof, Pivotable Relative To Horizontal Patents (Class 414/469)
- 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 (Class 414/483)
- 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 (Class 414/484)
- About axis of wheels of vehicle having two wheels, and relative to tow-engaging end of vehicle (Class 414/485)
With means to raise load above load-receiving portion for deposit thereon or therein (Class 414/486)