Structure of x ray foot switch

X ray foot switch is now widely used in life, very common, but do you know its structure?
The x ray foot switch is composed of the upper cover, pedal, base and micro-switch. The pedal is pivoted on the base. A micro-switch is set in the base. There is an automatic reset driving rod between the pedal and the micro-switch. The driving rod is facing the micro-switch button. The pedal pushes the push rod forward to push the button, releases the pedal driving rod and automatically resets the button. The structure of x ray foot switch is simple. The purpose of switching circuit or switching off circuit can be achieved by simply pedaling or loosening pedal. The switch is sensitive.