FIELD: mining industry. SUBSTANCE: complex includes drive 1 for flexible working member 2 with cutting tool 3 and flexible enclosure. Flexible enclosure is manufactured i the form of resilient trough 4 to which convex part guides 5 are attached. They have length equal to value of travel of cutting tool. Guides 5 are connected with ties 6 to flexible, working member 2. EFFECT: simplified design. 2 dwg
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