Progressive
Progressive safety gear combination of disk and spring and braking elements, which are activted by a movable tripping wedge the basic function of the safety gear is, if the lift car exceeds its nominal speed upon decent, the over speed exceeds its nominal speed upon decent, the over speed governor acts when its tripping speed is reached and triggers the safety gear on the lift car via the governor rope. The lift car is brought to a standsill and clamps onto the The lift car is brought to a standsill and clamps onto the guide rails.
