Mining Machine

Details Mining Machine Mining Machine

1982-11-19

1984-12-04

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Vertical cutter tooth orbit

299 65, 74425, E21C 2506

Patent

active

044860510

ABSTRACT:
A mining machine is disclosed comprising a mobile base and a cutting head assembly at a forward end of the mobile base having a cutter drum rotatable about an output shaft disposed along the longitudinal axis of the cutter drum. A drive system for the cutting head assembly comprises at least one motor for driving at least one toothed motor pinion and a generally cylindrical combination gear having generally circular end surfaces. A bevel or face gear is formed in at least one of the end surfaces, having teeth adapted to mate with and be driven by the toothed motor pinion. The combination gear has a worm gear formed in the outside cylindrical surface, which is disposed in driving engagement with the teeth of an output gear integrally and coaxially connected to the output shaft of the cutter drum.

REFERENCES:
patent: 557340 (1896-03-01), Palmer
patent: 1477563 (1923-12-01), Hirschfield
patent: 1702571 (1929-02-01), Pratt
patent: 2619339 (1952-11-01), Cartlidge
patent: 3091440 (1963-05-01), Gillespie
patent: 3695725 (1972-10-01), Pendolino
patent: 3773384 (1973-11-01), Anderson
patent: 3804466 (1974-04-01), Cilles
patent: 4225189 (1980-09-01), LeBegue

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