| 摘要 |
A chain is provided for power transmission or conveyors. The chain comprises plurality of bushes (6) and pairs of said bushes are linked together with a pair of inner links (1, 1'). Such pairs of bushes linked with pairs of inner links are linked together with pairs of outer links (2, 2') to form the chain. Each outer link (2, 2') is a single piece comprising a flat portion with parts of a pair of pins (3, 3') perpendicular to the flat portion. One part of a pin (3, 3') is provided with an extended portion (4, 4') and the other part of the pin (3, 3') is provided with a matching recessed portion (5, 5'). Pairs of outer links (2, 2') are fitted as a male-female joint from the two ends said pair of bushes selecting one bush from a pair of bushes linked with one pair of inner links and the other bush from a pair of bushes linked with another pair of inner links.
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