| 摘要 |
<p>The construction work device has a mast (1), a deflection system and a pivoting device. The deflection system has two deflection rollers. The front deflection roller (21) is pivoted against the rear deflection roller (22). The rear deflection roller is firmly stored at the mast. The pivoting device has an extension arm (30) which is pivotally connected at the head (6) of the mast.</p> |
