Mechanismus zum Freihalten einer Verriegelungsvorrichtung

摘要

A mechanism for keeping a lock device released comprises a through-hole which is defined through a side surface of an intermediate block member having a lock device and which externally communicates, a hexagon wrench which is inserted externally through the through-hole and which is connected to a lock plate, and a plate spring which fastens the hexagon wrench with the lock being released by moving the lock plate upwardly with the hexagon wrench.