FIELD: mechanical engineering; conveyors. SUBSTANCE: invention relates to components parts of conveying machines, namely, to hauling flexible member of conveyors. Proposed hauling chain has outer and inner links connected by rotating axles fitted in chain link cuts. Outer links of chain are installed in two cuts on ends of rotating axles. Chain inner links are also fitted in axle cuts arranged for engagement with teeth of sprockets at the following condition: C-t≥t+b)/2, where C is length of link; t is chain pitch; b is width of cut in place of axle fitting in at assembly. Outer and inner links are similar. EFFECT: increased operation reliability and enlarged capabilities. 2 cl, 3 dwg
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