| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a photoelectric switch easy to assemble, having no deterioration of detection accuracy. <P>SOLUTION: This photoelectric switch is equipped with a case 4 having a lens 7 on its front surface, a base 1 on the surface of which a light-intercepting element 1b and a light-projecting element 1c to intercept and project light from and to the outside through the lens 7 are disposed, and which is disposed in the case 4 so that the light-intercepting element 1b and the light-projecting element 1c face the lens 7, a base abutting part (barrier 4i) provided between the front surface side of the case 4 and the surface of the base 1 and installed at a prescribed position apart from the front surface, and a resin spring 5d provided between the back side (cover 5) of the case 4 and the rear surface of the base 1 to exert energizing force in a direction to widen the space between them. <P>COPYRIGHT: (C)2004,JPO</p> |
