| 摘要 |
A reciprocating vibrator able to prevent detachment of a spindle even without an outer cover, that is, a vibration linear actuator provided with a ring-shaped weight 20 having a permanent magnet 30, 31 at its inner circumference side, a first plate spring 40 fastened to a first end face 20a of this weight 20 at outer circumference side tail parts 41a, 42a, a second plate spring 50 fastened to a second end face 20b of the weight 20 at outer circumference side tail parts 51a, 52a, and a stator supporting the first and second plate springs 40, 50 and having an excitation coil 60 generating a reciprocating vibrating magnetic field with respect to the weight 20 at an inner circumference side of the permanent magnet 30, 31, wherein the stator further has a metal end plate 70 fastening the second plate spring 50 by the ring-shaped plate part 53. |
