DELIVERY DEVICE OF CHAIN

PROBLEM TO BE SOLVED: To provide a delivery device of a chain capable of smoothly extending-contracting a pair of chains.SOLUTION: Parts of the chains 8 and 10 are meshed in an interval with respective driving wheels 16 and 18 arranged at the predetermined interval, and the chains 8 and 10 are positioned in a straight line form in unmeshing parts with the driving wheels 16 and 18 in the interval, and are positioned in the direction of bending by almost 90 degrees to the direction in the interval outside of the interval via meshing parts with the driving wheels 16 and 18. Engaging pins 50 and 52 are respectively arranged on the outside and inside intermediate plates 34 and 36 of the chains 8 and 10, and circular arc-shaped recessed parts 54 and 56 for sandwiching the engaging pins 50 and 52 are formed on both ends of the outside and inside intermediate plates 46 and 48 of the chain 10.