| 摘要 |
PURPOSE:To confirm the arrival direction of a material to be detected by detecting the turning displacement of an operating lever with a sensor, and displaying the operated condition of a master switch with a pair of two-colored luminous element in right and left. CONSTITUTION:When a lever 10 is at free position, LED 41, 42 are lighted in green and red. When a work arrived from left to turn the lever right and a master switch 8 is turned ON, a magnet 28 is out of the detecting range of a hole element 33 and the LED 41 is went out, and a magnet 29 is in the detecting range of a hole element 34 aid lighting of the LED 42 is maintained. When a work arrived from right, the LED 41 is lighted and the LED 42 is went out. With this structure, a limit switch easily judging the arrival direction of a work can be obtained. |
