New design of deck crane has been developed by Munck International S. A., of Norway, and first 3 cranes of this design were installed on ship built for transporting newsprint; each crane consists essentially of twin portal structure of welded box design having its 2 portals rigidly braced together; trolley of hoist unit travels on rails fitted along lower inner sides of main overhead portal girders; hinged jibs are fitted at tops of legs, crane can be traversed along rails built into ship structure.
Rolling deck cranes
Engineer
Engineer ; 215 , n 5587
1963
2 pages
Article (Journal)
English
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