Excavating a mine shaft

Details Excavating a mine shaft Excavating a mine shaft

B - Operations, Transporting

66

B

B66B 15/08 (2006.01)

Patent

CA 2313840

Disclosed is a device for excavating a mine shaft, comprising a pair of drums, each drum having a pair of regions. Each region is wound with one of a pair of hoist ropes. The device is provided with, four refuse carriers, each of which is attached to one of the hoist ropes. Drive means is also provided for driving the drums to deliver two carriers at a time to a work site in the shaft.

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