Tunneling machines and other cutting machines

Details Tunneling machines and other cutting machines Tunneling machines and other cutting machines

1978-01-17

1979-10-09

Pate, III, William

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Rotary cutter head with advance direction coincident or...

37190, E21D 900

Patent

active

041703839

ABSTRACT:
The invention relates to a tunneling machine or other machine provided with tools for cutting materials from a wall located in front of the machine, said machine comprising a movable frame carrying a head rotatably driven about an axis, said head bearing at least one bucket for picking up said materials after cutting and for dumping the materials on or towards a conveyor, said bucket having an inlet opening for picking up the materials when the bucket passes through a low position during the rotation of the head, and said bucket having an outlet opening for dumping the materials, said outlet opening being offset to the rear of the head with respect to the said inlet opening.

REFERENCES:
patent: 902517 (1908-10-01), Wittich
patent: 1326480 (1919-12-01), Dana
patent: 1403530 (1922-01-01), Whitaker et al.
patent: 4043600 (1977-08-01), Dyer

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