To provide a photo sensor having an actuator which can ensure stable operation of the actuator at all times by a simple constitution and at a low cost.
The bearing part consists of an upper bearing constituting part located at the upper side in a vertical direction to the actuator shaft, and a lower bearing constituting part located at the lower side, so as to prevent fine resin waste generated along with the rotation of the actuator from piling and solidifying between an inner wall of the bearing part and an actuator shaft to obstruct the rotation of the actuator. The upper bearing constituting part and the lower bearing constituting part are arranged to have a relationship without any mutual overlapping part formed in an axial direction of the actuator shaft. Accordingly, discharge of the resin waste to the outside of the bearing part is facilitated. By constituting the bearing part as above, a structure of a mold for molding a photo sensor body including the bearing part can be simplified, and mold manufacturing costs can be reduced.
GUNJI MAMORU
SAITO TADAKATSU
HORINOUCHI SUGURU
