Patent ID: 7985932
Filing Date: 2011-07-26
Classification: E05B,F16P,H01H,Y10T

Abstract:
1. A door lock apparatus with safety switch for locking a door in a closed state which is openably/closably disposed in an opening of a partitioning wall defining a predetermined working area for machining tool or robot, the apparatus comprising: a manipulation portion disposed at the door in order to be manipulated for performing an operation of opening the door and an operation of closing the door; an actuator lock mechanism including a portion inserted into or extracted from a safety switch for ON/OFF switching a switch in the safety switch disposed on the partitioning wall at a periphery of the opening and operative to control the operation of the machine tool or the robot; a fixing member disposed on the partitioning wall at the periphery of the opening, a lock portion releasably engaging with the fixing member thereby locking the door in the closed state when the closing operation by way of the manipulation portion is performed; and an actuator inserted into or extracted from the safety switch, and wherein the actuator lock mechanism is moved by the closing operation by way of the manipulation portion in a different direction from a moving direction of the door and is hooked to the partitioning wall side, thereby locking the door in the closed state, and during the closing operation by way of the manipulation portion, the actuator is inserted into the safety switch after the lock portion engages with the fixing member.