| 摘要 |
FIELD: dredgers or soil-shifting machines for special purposes, particularly to cut chaps in ground. ^ SUBSTANCE: device comprises at least one cutter brought into rotation and at least one the first cutting member to cut ground during cutter rotation in the first direction. At least one the second cutting member for ground cutting rotated in the second direction opposite to the first one is installed on the cutter. At least one of the cutting members may be shifted from the first ground cutting position to the second diverted position. Executive tool to shift the cutting member between the first and the second positions is also provided. ^ EFFECT: increased cutting ability in both rotational directions, prevention of excessive cutting member wear. ^ 12 cl, 2 dwg |
