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U.S. Department of Energy
Office of Scientific and Technical Information

Mineral mining plough with worm adjustable roof cutter

Patent ·
OSTI ID:5751547
A mineral mining plough has a plough body provided with a carrier supporting roof-level cutters. The carrier is movable vertically with respect to the plough body so as to adjust the cutting level of the roof-level cutters. A worm mounted on the plough body and a toothed rack attached to the carrier constitute means for adjusting the vertical position of the carrier, the worm meshing with the toothed rack.
Assignee:
Gewerkschaft Eisenhutte Westfalia (Germany, Federal Republic Of)
Patent Number(s):
US 4275927
OSTI ID:
5751547
Country of Publication:
United States
Language:
English