Mobile digging/cutting system

Details Mobile digging/cutting system Mobile digging/cutting system

1993-05-25

1995-12-26

Bagnell, David J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable vertically

37403, 299 78, E21C 2508, E21C 2724

Patent

active

054781396

ABSTRACT:
A system for crushing a wall of rock comprising a first device, such as a track hoe, for moving with at least two degrees of freedom, a second device, such as an articulating boom, secured to and moving with the first device for moving with at least two degrees of freedom, one of the two degrees of freedom of the second device being different from the two degrees of freedom of the first device. A rotating stone cutting mechanism is secured to the second device, the stone cutting mechanism comprising a rotating drum having a plurality of tooth holders on the surface thereof in a helical array relative to the axis of the drum, each of the tooth holders having a very hard tooth, preferably of a refractory carbide, releasably secured thereto. A motive structure causes rotation of the drum about its axis. The motive structure includes a motor, preferably hydraulic, a sprocket driven by the motor, a chain and a second sprocket coupled to the drum.

REFERENCES:
patent: 3730593 (1973-05-01), Karlovsky, Jr.
patent: 3779408 (1973-12-01), Ivie
patent: 3860291 (1975-01-01), Rauch et al.
patent: 4648660 (1987-03-01), Mann et al.
patent: 4785560 (1988-11-01), Hanson
patent: 4852277 (1989-08-01), Ward

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