Patent ID: 7111907

Claim:
A side-dumping trailer comprising: a) a trailer frame having first and second sides; b) a load-containing trailer box having first and second ends, first and second sides, a top and a bottom and power operated means for raising and lowering said first side of said trailer box, said trailer box being hingedly mounted along a bottom side thereof on said trailer frame for pivotable movement about a lengthwise axis extending generally parallel to said first side of said trailer frame, wherein said first side of said trailer box is mounted on hinged arms and is adapted to be pivoted from a first closed position for transporting a dumpable load to a second open position adapted for dumping said load wherein said first side of said trailer box is raised above said trailer box; (c) power operated means for reversibly tilting said trailer box on said trailer frame about said longitudinal axis from an upright transport position to a tilted dumping position; wherein the interior length of said first side of said trailer box is slightly longer than the interior length of said second side of said trailer box to facilitate the unloading of said trailer box when tilted.