Asymmetric mineral mining plough

Details Asymmetric mineral mining plough Asymmetric mineral mining plough

1979-12-03

1981-07-28

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 18, E21C 2734

Patent

active

042807336

ABSTRACT:
A mineral mining plough for use in asymmetric ploughing, and movable to and fro alongside a conveyor, has a plough body provided with cutter means at its two ends. A first cutter means is arranged to win material when the plough is on the uphill run (that is to say when the plough moves in the opposite direction as the conveyor). A second cutter means is arranged to win material when the plough is on the downhill run. The second cutter means is mounted on the plough body for vertical movement relative to the plough body. This enables the second cutter means to be swung out of its working position (on the downhill run) to lie in a rest position (on the uphill run) in which it is in the path of travel of the first cutter means. This vertical movement of the second cutter means results in a plough of shorter length than known asymmetric ploughs.

REFERENCES:
patent: 4035025 (1977-07-01), Hermann et al.
patent: 4178040 (1979-12-01), Merten
patent: 4189187 (1980-02-01), Rassmann et al.

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