| 摘要 |
FIELD: working stones or stone-like materials. ^ SUBSTANCE: device comprises base, tubular guides mounted on the base, carriage provided with rocking axle and set in the tubular guides for permitting longitudinal motion, rocker pivotally connected with the rocking axle and made of a double-arm lever whose one end is provided with the cutter and the other end is provided with breaking member made of lugs, and control handle connected with the rocker. The rocker has stops for arresting rotation of the control handle. ^ EFFECT: enhanced reliability and expanded functional capabilities. ^ 5 dwg
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