Mining or in situ disintegration of hard material – Hard material disintegrating machines – Sidewall-working
Patent
1980-04-01
1981-09-22
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Sidewall-working
299 53, E21C 2724
Patent
active
042906520
ABSTRACT:
The machine for the cutting of rocks in underground works comprises a slide way, a carriage on said slide way, a machine frame which is hinged relative to the carriage, an arm which is hinged relative to the machine frame, and a cutting drum mounted relative to said arm. The dimensions of the cutting drum, the arm, the machine frame and the carriage as well as the swinging motions imparted to the machine frame and to the arm are so designed that the single cutting drum can work the machine free at both ends of the slide way.
REFERENCES:
patent: 3306663 (1967-02-01), Webster
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