Patent ID: 8104596

Claim:
A clutch actuator assembly comprising: a motor provided with a worm shaft, wherein a screw thread is formed at an exterior circumference of the worm shaft; a worm wheel having first and second guiding holes and provided with a worm gear at outer circumference thereof to be engaged to the screw thread of the worm shaft; operation units mounted in the first and second guiding holes and moving in a radial direction from or to a rotation center of the worm wheel by operation of the worm wheel; an upper body including a penetration hole; and a supporter for rotatably supporting the worm wheel, wherein the worm wheel is displaced between the upper body and the supporter; wherein the operation units comprises: a ball hinge mounted in the first guiding hole and movable along the first guiding hole; and an elastic member mounted in the second guiding hole and movable along the second guiding hole.