Continuous miner

Details Continuous miner Continuous miner

1981-10-20

1984-04-24

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Processes

Directly applying heat or vibration

299 37, 299 78, E21C 2500

Patent

active

044444346

ABSTRACT:
A continuous miner includes a pair of resonant beams for driving a cutting blade rigidly secured to their lower anti-nodes. By mounting the beams so that they can pivot about both upper and lower nodes, the miner may be operated to make either vertical or horizontal cuts. When making vertical cuts, the beams are pivoted upward about their upper nodes to drive the blade in an upward arc in front of the miner, the blade being rearwardly off-set from the center line of the beams to reduce blade drag. To make horizontal cuts, the beams are maintained substantially vertically as the miner is driven forward. The precise angle of the blade relative to the ground may be adjusted to reduce blade drag by tilting the beams an appropriate amount about their lower nodes.

REFERENCES:
patent: 3563316 (1971-02-01), Shatto
patent: 3770322 (1973-11-01), Cobb et al.
patent: 4025116 (1977-05-01), Roepke et al.
patent: 4251111 (1981-02-01), Gurries
patent: 4258956 (1981-03-01), Gurries
patent: 4353175 (1982-10-01), Gurries

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