| 摘要 |
To provide a conveyor chain, which easily can laterally discharge articles conveyed by the conveyor chain and easily can make U-turn and in which a count of parts of the chain links forming the conveyor chain can be reduced and the assembly, explosion and parts replacement and the like can be easily performed. A conveyor chain 1 is formed in such a manner that a plurality of chain links 2 each having a plurality of hinge portions 4, 5 respectively formed on both side edges of article loading portions 3 , are adjacently, endlessly connected to each other with hinge pins. A gap portion 8 is provided between hinge portions 4, 4 formed on one-side edges in the article loading portions 3 , and a ball unit 12 rotatably holding a free ball 16 in a split cover 15 consisting of a upper cover 13 and a lower cover 14 is attached to the gap portion 8 . The upper and lower portions of the free ball 16 protrudes from opening portions 13 a, 14 a of the upper and lower covers 13, 14 and protrudes from the upper and lower surfaces of the conveyor chain 1.
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