Dragline

Details Dragline Dragline

E - Fixed Constructions

02

F

212/42

E02F 3/48 (2006.01)

Patent

CA 1082650

ABSTRACT OF THE DISCLOSURE A dragline has two booms at a ninety degree angle with the dragrope between them. Each boom has a variable speed hoist mechanism and both hoist ropes are connected to the bucket. Either boom can be used as a digging boom, with the other serving as a dumpling boom, and relative hoist speeds are controlled to move a filled bucket to a dumping position under the dumping boom and back to start position under the digging boom.

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