| 摘要 |
<p>PROBLEM TO BE SOLVED: To support an electric light pole easily and not to disturb pole erection work near a wall. SOLUTION: An electric pole supporting member 30 is comprised of a main pole supporting member 30a fixed to a boom head 20 and two auxiliary supporting members 30b, 30b mounted on the main supporting member 30a rockably and fixed in the overhanging or storing position. The electric light pole supporting member 30, when the auxiliary supporting members 30b are fixed in the overhanging position as shown by dot-dash lines, the supporting portion 34 on the end side of the main supporting member 30a and the auxiliary supporting members 30b, or the left and the right supporting portions 35, 36 of the main supporting members 30b and the auxiliary supporting members 30b support the top of an electric light pole D. On the other hand, as shown by solid lines, when it is fixed in the storing position, the supporting portion 34 on the end side of the main supporting member 30a or the left and the right supporting portions 35, 36 support the top of the electric light pole D.</p> |
