Cutting head with self-contained power source

Details Cutting head with self-contained power source Cutting head with self-contained power source

1978-01-31

1979-10-30

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Adjustable head

175106, 299 82, 299 89, E21C 2724

Patent

active

041726162

ABSTRACT:
A cutting drum for a mining machine that requires only a single supporting arm, and single interior motor for rotation of the cutting drum. The drum has two body portions which are spaced apart a distance sufficient to receive the supporting arm along the axis of the drum. A cutting chain is operatively connected by sprocket teeth to each of the body portions, one of the body portions being driven by a shaft of the interior motor through reduction planetary gears. Only a single stage reduction need be provided. One of the body portions may be formed so that it is longitudinally reciprocal along the axis of the drum to vary the cutting height or width.

REFERENCES:
patent: 3288536 (1966-11-01), Galis et al.
patent: 3290096 (1966-12-01), Stalker
patent: 3894587 (1975-07-01), Sourice
patent: 4047763 (1977-09-01), Gilliland et al.

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