Mineral winning plough

Details Mineral winning plough Mineral winning plough

1983-06-15

1985-10-22

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 76, E21C 2732

Patent

active

045484449

ABSTRACT:
A plough for winning material (such as coal) from a face has a plough body which supports a carrier for roof-level cutters. Means are provided for adjusting the vertical position of the carrier with respect to the plough body. The adjustment means comprises a worm mounted on the plough body, and a toothed rack associated with the carrier. The worm meshes with the toothed rack. The worm is driven through a reduction gear which is located on the goaf side of the carrier.

REFERENCES:
patent: 2010774 (1911-12-01), Lange
patent: 4275927 (1981-06-01), Merten et al.
Five Hundred and Seven Mechanical Movements, Henry T. Brown, 1868, pp. 68-69.

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