Automated rock burner

Details Automated rock burner Automated rock burner

1991-06-17

1992-04-28

Novosad, Stephen J.

Boring or penetrating the earth

Automatic control

Of advance or applied tool weight

175 14, 431158, E21B 714, E21B 1908, E21B 4400, E21C 3716

Patent

active

051079372

ABSTRACT:
An automated burner for channelling a mineral body, including, a guide shaft assembly having a guide shaft adapted to receive a burner staff for reciprocal movement. A first drive means is connected to the burner staff and is operative to reciprocally move the staff through a positive stroke in one direction and a gravity urged stroke in the opposite direction. A first control means is associated with the first drive means to reverse the direction of the reciprocal movement upon completion of positive stroke, upon completion of a gravity urged stroke and upon premature cessation of a gravity urged stroke. A second drive means connected to the guide shaft to impart oscillating motion thereto. So that the burner head is moved with a simultaneous reciprocating and oscillating movement through controlled cycles.

REFERENCES:
patent: 2679381 (1954-05-01), Royer et al.
patent: 2935303 (1960-05-01), Royer et al.
patent: 3207238 (1965-09-01), Davidson et al.
patent: 3658453 (1972-04-01), Vasselin
patent: 3870111 (1975-03-01), Tuomela et al.
patent: 4319647 (1982-03-01), Browning

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