Patent ID: 8659811
Filing Date: 2014-02-25
Classification: B81B,G02B,H01L

Abstract:
1. An actuator, comprising: a movable plate; a supporter to support the movable plate; a first linking assembly and second linking assembly that attach the movable plate to the supporter and allow the movable plate to rotate relative to the supporter; and a piezoelectric element to rotate the movable plate, wherein the first linking assembly includes a first axial member extending from the movable plate, a first driving member connected to and extending transverse to the first axial member, and a first elastic member and a second elastic member that extend from opposing ends of the first driving member and connect the first driving member and the supporter, and the first elastic member and the second elastic member are provided closer to the movable plate than the first driving member; and the second linking assembly including a second axial member extending from an opposite side of the movable plate, a second driving member connected to and extending transverse to the second axial member, and a third elastic member and a fourth elastic member that extend from opposing ends of the second driving member and connect the second driving member and the supporter, and the third elastic member and the fourth elastic member are provided closer to the movable plate than the second driving member.