Cross-axis cutting assembly of a selective cutting machine

Details Cross-axis cutting assembly of a selective cutting machine Cross-axis cutting assembly of a selective cutting machine

1986-10-09

1988-01-12

Suchfield, George A.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Cutter shiftable horizontally

299 81, E21C 708

Patent

active

047187301

ABSTRACT:
A cross-axis cutting assembly of a selective cutting machine is provided with internally-fed spray means. The assembly includes two cutting heads supported by a boom, the cutting heads being driven by a shaft which is transverse to the boom. A high pressure water supply line for each cutting head is provided by means of a connecting member. Each connecting member is arranged externally on the boom, is preferably designed as a channelled plate, and closely fits the external contour of the associated cutting head. Each connecting member extends to the free end of the shaft, and is connected to an internal high pressure water duct formed in the associated cutting head by means of a rotary arrangement. Each rotary arrangement has an axial pin which fits sealingly into a passage.

REFERENCES:
patent: 3799615 (1974-03-01), Taylor et al.
patent: 4289357 (1981-09-01), Hintermann et al.
patent: 4470636 (1984-09-01), Paurat et al.

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