发明名称 TOWER CRANE CLIMBING
摘要 <p>A tower crane and method of climbing the crane. The tower of the crane is initially stabilized at an elevated location, and the tower is released from a base frame supporting its base and elevated to place its base on an upper frame, the base frame is then elevated, and the tower is then dropped to place it on the newly positioned base frame with the upper frame then used to laterally stabilize the tower with the crane in operative condition.</p>
申请公布号 CA1032504(A) 申请公布日期 1978.06.06
申请号 CA19760255702 申请日期 1976.06.25
申请人 JAMES, ARTHUR M.;CONLEE, CHARLES J. 发明人 JAMES, ARTHUR M.;CONLEE, CHARLES J.
分类号 B66C23/32 主分类号 B66C23/32
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