| 摘要 |
Device (1) arranged to be able to provide openings in a body (15), wherein the device (1) comprises a cutting head (3) having a front (31) and a rear (32), and wherein the cutting head is provided with a cutting device (6); a power transmission body (4) arranged to be able to transmit power from a driving means to the cutting device (6); a drive unit holder (2), wherein the drive unit holder (2) is adapted to be able to be arranged at a distance (A3) from the rear (32) of the cutting head (3); at least one connecting body (5) having a first (51) and a second end portion (52), wherein the connecting body (5) connects the cutting head (3) to the drive unit holder (2); and a support (8) arranged to be able to rotatably hold the device (1) on a body (15), wherein a distance (A1) between the first end portion (51) of the connecting body (5) and the rotation axis (D1) is smaller than or the same as the distance (A2) between the front (31) of the cutting head (3) and the rotation axis (D1). A method and a use of the device (1) are also described. |
