Ignition switch device

摘要

An ignition switch device is provided with a switching means (2) having a key hole (2a), and capable of being rotationally operated in a predetermined direction with an ignition key (K) inserted to start and stop the engine of an industrial machine, a case (3) covering the switching means (2) and formed with an insertion hole (3b) allowing the key hole (2a) to face the outside, a shutter (4) rotatable between a closed position where the insertion hole (3b) of the case (3) is closed, and an open position where the insertion hole (3b) is opened to allow the key hole (2a) to face outside, and a protruding portion (7) formed within the range of rotation of the shutter (4) while protruding from the surface (3a) of the case (3) and whose protruding end contacts the rear surface (4b) of the shutter (4) while the shutter (4) rotates.