| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a temporary handrail for which an attaching metal fitting (that is, a hooking pawl) provided on a tip side of the handrail is prevented from being easily detached from a hooking metal fitting even when an upward load is applied to the handrail. <P>SOLUTION: A temporary handrail 10 is attached to temporary columns 16 arranged at a prescribed interval and provided with a hooking metal fitting 17 comprising a bent plate material in a U shape in the plan view, and includes a pipe 11 of a prescribed length and attaching metal fittings 12 and 13 fixed to both ends of the pipe 11. Each of the attaching metal fittings 12 and 13 includes an attaching plate part 14 having a hook pawl part 18 to be fitted to the hooking metal fitting 17 from the upper part and exposed from the lower part on the tip side, and a lock metal fitting 26 provided on a base side of the attaching plate part 14 and turnable in one direction from a horizontal state through a horizontal pin 25. Also, the lock metal fitting 26 is held at all times in a lock state of preventing the hook pawl part 18 from being detached from the hooking metal fitting 17, and the lock state of the lock metal fitting 26 is released by turning the lock metal fitting 26 in one direction from the horizontal state. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
