| 摘要 |
PROBLEM TO BE SOLVED: To provide a swivel actuator that enables reduction in a load applied to a driving motor and operating noise and can be normally operated even when a production error occurs due to dimension instability of a component.SOLUTION: A swivel actuator includes: a driving motor; a linear screw shaft that has one end connected to the driving motor and the other end rotatably connected to a rotating stably-mounting portion installed in a base and includes a screw thread formed on an outer peripheral face rotating in conjunction with rotating force of the driving motor; a nut member having a projecting portion formed in a projecting manner on the upper side and a linear screw shaft coupling hole in which a female screw portion gear-coupled to the linear screw shaft is formed and reciprocating to a lengthwise direction of the linear screw shaft in response to the rotation of the linear screw shaft; a lever member that has one end rotatably coupled to the projecting portion and the other end connected to a rotating counterpart; and an elastic member that is formed on the outer peripheral face of the projecting portion in a projecting manner and maintains coupling between the nut member and the lever member by applying elastic restoring force to the lever member. |
