公开(公告)号：US3572517A

公开(公告)日：1971-03-30

申请号：US3572517D

申请日：1968-03-07

申请人： LIEBHERR HANS ,  FRANZ JOSEF FENZL ,  PETER PAUL WEISSER

发明人： LIEBHERR HANS ,  FENZL FRANZ JOSEF ,  WEISSER PETER PAUL

IPC分类号： B66C23/34 ,  B66C23/36 ,  B66C23/76 ,  B66C23/62

CPC分类号： B66C23/76 ,  B66C23/348 ,  B66C23/36 ,  B66C2700/0357

摘要： A transportable crane or derrick comprising a mast or column pivotally mounted on the platform of a vehicle so as to be capable of being tilted with respect to the platform. The mast includes a main jib pivotally mounted at the head of the mast to pivot in the tilting plane of the mast. On the opposite side of the mast from the main jib there is mounted a sheave providing guide means for a cable having a load-carrying hook mounted thereon.