| 摘要 |
<P>PROBLEM TO BE SOLVED: To further increase efficiency of conveyance by a chain and to simplify stretching work of the chain and increase efficiency of the stretching work, and to cause no loss of attachments to be attached to the link of the chain and for attaching flight. Ž<P>SOLUTION: The link 20 and attachment 27 are separately formed. Protrusions 26a for positioning support plates 26 of the attachments 27 are fit to through-holes 20g of the links 20 to position the attachments 27 with respect to the links 20. Bolts 28, 29 penetrate matched holes 20g, 20h, 27e, 27f and are fastened by nuts 30, 31 respectively in this state, to detachably attach the attachments 27 attaching the flight 25, to the links 20. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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