Automatic re-hinging is a classic and clever piece of engineering found in toll booths and automatic gates worldwide. The problem it solves is simple: what happens when a vehicle hits the barrier arm?   A rigid arm would shatter, causing expensive damage and downtime. An automatic re-hinging mechanism allows the arm to "fail safely" and then return to its working position.   Here&...

  An automatic lane barrier (also commonly known as a boom barrier or traffic barrier gate) is a bar, pole, or arm that is automatically raised and lowered to control the flow of vehicles into or out of a specific area. Think of the barriers at a parking garage entrance, a railroad crossing, or a secured community gate. That's an automatic lane barrier in action.   Key Components   ...