| 摘要 |
PROBLEM TO BE SOLVED: To provide a conveyance chain which is low cost and which can reduce environmental pollution.SOLUTION: A conveyance chain 1 includes an off-set link 9 including a pair of link plates 3, 5 arranged oppositely, and a bush 7. The off-set link 9 forms a base chain 13 by a plurality of connection pins 11 being connected. On an upper surface of the one link plate 3 of the off-set link 9, a conveyance part 15 is disposed. At the bush 7, an insertion hole 17 of the connection pin 11 is formed. A pin receiving surface 17A of the insertion hole 17 is constituted by a self-lubricating material.SELECTED DRAWING: Figure 10 |
