摘要 |
An electrodynamic actuator, comprising a cylindrical fixed part, a movable part driven to reciprocate in an axial direction of the fixed part, the movable part being configured such that at least a part of the movable part is accommodated in a hollow part of the fixed part, and a plurality of movable part support mechanisms that support the movable part from a lateral side to enable the movable part to reciprocate in the axial direction of the fixed part, wherein each of the plurality of movable part support mechanisms comprises a rail attached to a side surface of the movable part to extend in the axial direction of the fixed part; and a runner block attached to the fixed part to engage with the rail, and the plurality of movable part support mechanisms are arranged to have approximately constant intervals therebetween around an axis of the fixed part. |