It is possible to obtain a large vibration force with less vibrational energy, and versatile, and to develop the vibrating unit of the article. In apparatus vibrator has a beam having a mounting portion to an article oscillation under pressure in two positions in the longitudinal direction, the vibrator was fixed to a position different from the mounting portion in the longitudinal direction of the beam, vibrator beam in the apparatus and vibration It is intended to vibrate in the eigenvalues. Beam vibrates big vibrator is operated at a frequency of Pimu eigenvalues, acting on the article vibration under pressure mass of the beam and a vibrator with a vibration acceleration becomes a vibration force, with a large force very article vibration under pressure vibrate.
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