| 摘要 |
A vibrating device, the vibrating part of which is equipped with a plurality of intercoupled unbalanced, shafts rotatably driven, in which the centrifugal forces generated neutralize one another in the direction at right angles to the direction of vibration and have the same directions in the direction of vibration, wherein the central shaft is provided on both sides whereof unbalanced shafts are located. |
