Shallow-hole kerf boring machine with auger on side-arm elevatin

Details Shallow-hole kerf boring machine with auger on side-arm elevatin Shallow-hole kerf boring machine with auger on side-arm elevatin

1974-07-24

1976-04-13

Purser, Ernest R.

Tool driving or impacting

With indicating or signaling means

173 44, 173 46, 175 62, 175219, 299 33, 299 55, E21C 2558

Patent

active

039498158

ABSTRACT:
An augering machine and method for underground mining of minerals by selectively cutting shallow cylindrical kerfs into the face of a mine entry, comprising a wheeled vehicle having an independently elevatable side arm which carries a cutter head and an attached auger flight, a motor for rotation thereof, and a flight-advancing sump device. A selectively controllable operator-warming system that is usable for any hydraulically operated machine is also provided.

REFERENCES:
patent: 425718 (1890-04-01), Walker
patent: 444476 (1891-01-01), Wolford
patent: 2567349 (1951-09-01), Reason
patent: 3395940 (1968-08-01), Young et al.
patent: 3834761 (1974-09-01), Ray et al.

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