| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a joint tool, extension member, connection body, furniture and joint tool manufacturing method enabling positive connection, easy manufacturing and reduced manufacturing cost to be attained.SOLUTION: A joint tool 9 is used for connecting cylindrical members to be connected. The joint tool comprises: a pair of insertion parts 20, 30 spaced apart to each other with a clearance being left therebetween, one being inserted into one member to be connected and the other being inserted into the other member 60 to be connected; a connecting part 40 for connecting end portions of the pair of insertion parts 20, 30 to each other; and a spacer 50 arranged between the pair of the insertion parts 20, 30 and spreading out a clearance between the pair of insertion parts 20, 30 and pushing them against the members to be connected. The pair of insertion parts 20, 30 and the connecting part 40 are constituted by one U-shaped bent composing member.</p> |
