To provide a chain belt having improved durability while reducing noises by delaying a timing for a joint to engage with a pulley to suppress the vibration of the pulley and the belt.

The endless chain belt 1 comprises a number of link plates 2 and a number of joints 3 connecting the adjacent link plates 2 to each other so as to be relatively rotatable in a belt moving direction. The link plates 2 each have a long link 2L having a length LL and a short link 2S having a length LS. At least three long links 2L are continuously arranged in the belt moving direction α.