To provide a curved belt conveyor can perform high-speed delivery with low noise and be easily maintained because elongation of a belt is small and there is no need of oil feeding, and suitable in particular for small article conveyance.

The curved belt conveyor includes two end rollers 1, 1 whose axial lines cross with each other at a predetermined angle, an endless conveying belt 2 with a planar fan shape hooked between the end rollers 1 and 1, a drive roller 3 and a tail roller 4 provided outside the end rollers 1, 1 in an axial direction and having the same axial line direction as the end rollers 1, 1, an endless driving flat belt 5 hooked between the rollers 3 and 4 and positioned away from the conveying belt 2 outside the conveying belt 2 in a radial direction, and a plurality of ring-like elastic cord elements 7 connecting the flat belt 5 and the conveying belt 2.