| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a joint link which is securely engaged with a predetermined member with a simple structure while preventing an engagement member to be removed and is easily formed.SOLUTION: A joint link 1 of the invention is incorporated in a chain 2 and has an engagement member 10 which is engaged with a predetermined member 3. A screw part 10a is formed at the engagement member 10. The screw part 10a is threadedly engaged with a screw part 30a of the predetermined member 3 thereby allowing the engagement member 10 of the joint link 1 and the predetermined member 3 to securely engage with each other in a manner that prevents the members from being removed. Further, the structure allows the predetermined member 3 to be removed from the engagement member 10 as necessary.</p> |
