Multifunctional conveyance type conveyor chain

A multifunctional conveyance type conveyor chain comprising:

• a plurality of chain links each being integrally molded;
• each of said chain links includes an article loading portion on which an article is loaded;
• each of said chain links includes a plurality of hinge portions protruding from front edges and rear edges of said article loading portion in a staggered arrangement;
• each of said chain links are connected to each other in a longitudinal direction of the chain through hinge pins;
• a plurality of ball units each holding a free ball;
• each of said balls rolls in an exposed manner on both a surface and a back surface of said chain link;
• a plurality of conveyance auxiliary units mountable in place of respective ones of said plurality of ball units;
• and said plurality of conveyance auxiliary units being selectively inserted and mounted between respective ones of said plurality of said hinge portions during the connection of said chain links from the longitudinal direction of the chain.