DRIVE MECHANISM AND VACUUM BREAKER FOR VACUUM SWITCH TUBE

摘要

A drive mechanism and a vacuum breaker wherein a frame for supporting a vacuum switch tube is provided with a guide which guides a ratable roller follower provided to the moving contact drive rod of the vacuum switch tube in parallel with the drive direction of the moving contact drive rod, and with a flex link mechanism having a first link pivoted by the moving contact drive rod and a second link pivoted by this first link and the frame to switch on and off the moving contact drive rod.