| 摘要 |
<p>PURPOSE:To simplify construction work at a job site, and increase construction work speed. CONSTITUTION:In a stairs handrail connecting structure formed by connecting first handrails 1a fixed by a support tool 7 and a second handrail 1b to be interposed between these first handrails 1a, a first connecting tool 2 having a dovetail groove 4 is installed on either one end surface of the first handrails 1a and the second handrail 1b. A second connecting tool 3 having a dovetail tenon 5 is installed on the other end surface, and the dovetail groove 4 and the dovetail tenon 5 are fitted to each other.</p> |
