PURPOSE: To obtain a supporting chain for energy conductor which can be assembled/disassembled easily while employing a commercially available material by a structure wherein a coupling piece is force fitted over a corresponding protrusion on a link plate through a pipe piece. CONSTITUTION: A link plate 5 constituting a chain link 1 is provided, at the opposite edges of the inner wall thereof, with long and short protrusions 21, 22 which are fitted, respectively, with a pipe piece 23 provided with no slit and a pipe piece 24 provided with a longitudinal slit 25 and having rounded outside. The pipe piece provided with no slit belongs to the long protrusion 21. Since the pipe pieces 23, 24 are force fitted over the protrusions 21, 22, a linking piece for coupling both link plates 5 fixedly is formed. The pipe piece 24 is enlarged at the longitudinal slit 25 and pushed over the flat surface of the short protrusion 22 to be engaged therewith. COPYRIGHT: (C)1990,JPO