| 摘要 |
A self-raising crane with structurally simplified locating means, comprising a bearing construction (2) including a plurality of arms (11) coupled to a central framework (3) and ending with guide seats (12) engageable by upright columns (13), characterized in that said crane further comprises driving means (40) for driving said bearing structure (2), said driving means (40) being adapted to be removably coupled to and operate between said guide seats (12) and upright columns (13). |
