Vibration actuater

A vibrating actuator is comprise of a stator; a plural of rollers, each of which is respectly supported and contacted by the stator and shared with a common rotational axis; a connecting pin for connecting the rollers therebetween; vibrating means, connected with the stator and through the vibrating of stators making the contacts between stator and a plural of rollers generate the elliptic or circular movement to induce a plural of rollers whirling; and pre-press means, with one end of which connecting with the connecting pin in the middle portion of the plural of rollers and by means of the traction of the connecting pin toward the stator to press a plural of rollers on the stator.