| 摘要 |
A fifth-wheel trailer having a forward section comprising an adjustable-height floor. The floor being capable of moving up to a raised position to provide sufficient clearance for a towing vehicle to attach to the trailer for towing. The floor also being capable of moving down to a lowered position to provide a trailer with an approximately even floor and a full-height ceiling throughout. The present adjustable-height floor does not interfere with the structural stability of the trailer's main frame including its pin box.
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