Movable mining planer with direction responsive adjustable cutte

Details Movable mining planer with direction responsive adjustable cutte Movable mining planer with direction responsive adjustable cutte

1978-02-15

1979-12-11

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter attached to endless chain or cable

299 85, 299 10, E21C 2732

Patent

active

041780400

ABSTRACT:
An apparatus for winning material in a mineral mining working utilizes a mineral mining plough which is movable to and fro alongside a conveyor. The plough is provided with first cutter means arranged to win material lying in a first height range, and second cutter means arranged to win material lying in a second height range. The plough is driven on the downhill run with the cutter means so positioned that material is won to a greater depth over the first height range than over the second height range. The plough is then driven on the uphill run with the cutter means so positioned that material is won to a smaller depth over the first height range than over the second height range.

REFERENCES:
patent: 3382003 (1968-05-01), Hauschopp
patent: 4035025 (1977-07-01), Hermann et al.

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