With the swinging of earthquake the key of the steel sheet make storeroom shed the device unlocking automatically with the pendulum type weight

摘要

Topic With the swinging of earthquake the key of the steel sheet make storeroom shed the unlocking device which can unlocking automatically with the pendulum type weight is offered.SolutionsBeing the unlocking device which it tries unlocking the key of the steel sheet make storeroom shed, automatically making use of the vibration of earthquake, continuing in the opening of door stop post, 3 it is the unlocking device which can open the sliding door by the fact that it provides the notch hole in the part where key hook 2 is caught, opens key hook 2. Choice figure Drawing 3