FIELD: mining. SUBSTANCE: control method lies in the fact that the executive member is forced to move in the surface of slope with executive member is moved in slope surface in such a manner that its center describes a circuit with rotation of executive member round its axis and motion of its center along circumference are made in opposite directions. EFFECT: high speed mining. 1 dwg
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Authors
Dates
1995-02-27—Published
1991-01-22—Filed