US Patent 7223059 Adjustable conveyor system

A vehicle for conveying material is disclosed. The vehicle includes: an elongate vehicle frame; a hopper with a feed end and a discharge end, wherein the feed end is configured to receive the material; and an elongate material conveyor supported via the vehicle frame with a feed end downstream from the discharge end of the hopper and extending from its feed end to a discharge end. A substantial portion of the elongate material conveyor is configured to pivot about at least three axes, and the elongate material conveyor is adjustable among an inoperative position and plural extended positions.