作者: Harry E. Voelzke
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摘要: A trailer comprising a lower main deck and an upper positioned forwardly upwardly of the including ramp at forward end which may be pivotally moved so that freight or equipment thereon from to deck. Pivotally connected scissor arms are provided opposite sides ramp. hydraulic cylinder is each adjacent thereof. The with being frame. Extension cylinders causes spread apart raise stored position inclined position. When in its position, weight load on carried by not cylinders.