Mining machine having pneumatic conveyance and cutter head floor

Details Mining machine having pneumatic conveyance and cutter head floor Mining machine having pneumatic conveyance and cutter head floor

1975-11-17

1976-11-23

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

299 18, 299 56, 299 67, 173 60, 175100, E21C 3520

Patent

active

039933555

ABSTRACT:
A mining system for extraction of coal or the like from narrow seams has a conduit system for pneumatic conveyance of mined material. A leading section of apparatus comprises a cutter head assembly driven by an air motor which exhausts into the conduit system. The leading section includes further an anchoring means which is changeably mounted thereon to permit advance of the leading section and cutter head assembly, and ground contact means for pivoting of the cutter head from side-to-side.

REFERENCES:
patent: 3169796 (1965-02-01), Long et al.
patent: 3673716 (1972-07-01), Trondle
patent: 3726562 (1973-04-01), Wharton
patent: 3843198 (1974-10-01), Reynolds

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