To provide a belt conveyer capable of preventing generation of scratch damage without making worker's hands dirty by touching directly an endless belt of the belt conveyer when detaching the endless belt.

In this belt conveyer, an endless belt 17 can be detached from a conveyer main body A by lifting a driven roller 1 in an end part of a conveyer and loosening the tension of the endless belt 17. Swinging rods 3 are swingably arranged on the conveyer main body A in its longitudinal direction with each one side journalled to an outside end part 6 of the conveyer main body A, and to the other sides, a rotatably supporting shaft 2 of the driven roller 1 is connected.