FIELD: mining industry.
SUBSTANCE: device has body with channel, to upper portion of which through shear clamp a cantilever is fixed with cutting tool and with capability for directional movement along the channel. Between cutting portion of tool and cantilever a stop is placed, with diameter a bit more than tool diameter, and rigidly connected to channel, while between cantilever and channel grooves a rib is mounted. Cantilever and rib are connected to each other by another shear clamp.
EFFECT: higher operation reliability.
3 dwg
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Authors
Dates
2004-06-27—Published
2002-12-15—Filed