Abstract: The disclosed conveyor has a frame which comprises side channel members and crosspieces on which are mounted rollers, a supporting plate, an endless belt, elongate side members having side portions and a U-shaped portions in which the edges of the supporting plate are disposed, and end cover comprising a cover plate and end cover members which are complementary with and affixed to the side wall portions. The conveyor is mounted on a portable base and has standard control for starting and stopping the conveyor belt.