Earth-moving apparatus

Details Earth-moving apparatus Earth-moving apparatus

1974-11-25

1976-09-28

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

With material-handling means

37 85, 37192R, 299 82, E21L 2720

Patent

active

039826880

ABSTRACT:
A self-propelled machine for cutting and moving earth as from a mine face in a shaft or earth from a bank or other natural terrain and having a prime mover vehicle for advancing pairs of conveyor chain sprockets that support and power chain-mounted cutters and scoops. Preferably a separate power source other than the mover vehicle drives the conveyor chain sprockets. Belt conveyors receive earth from the scoops and discharge it away from the machine. The conveyor chains not only are powered separately from the vehicle but travel in a path across the advance of the vehicle. Cutter blades on the forward chain each have a plurality of replaceable teeth on the blade outboard of the foremost chain of the pair. The vehicle or prime mover may be a crawler tractor or other powered apparatus to which the earth-moving apparatus is attached for spatial adjustment with respect to the work.

REFERENCES:
patent: 766584 (1904-08-01), Battey
patent: 1289108 (1918-12-01), Bunnell
patent: 1472562 (1923-10-01), Knight
patent: 1478466 (1923-12-01), Anderson
patent: 3658385 (1972-04-01), Oven
patent: 3757491 (1973-09-01), Gourdine

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