| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the number of components, curtail a manufacturing cost and simply the joint woke by providing long joint holes to both side sections of a strut, and inserting joint brackets into the joint holes to fix both ends of a batten joint main body to the joint brackets. SOLUTION: Long joint holes 4 are provided to both side sections of a strut 1. Joint brackets 2 are instered into the joint holes 4, and both ends of the batten joint main body 3 are fixed to the joint brackets 2. By the constitution, the number of components in a bracket member can be reduced, a manufacturing cost can be curtailed, and joint work can be easily executed without requiring any special technology.</p> |
