SAFETY DOOR APPARATUS OF CONTROL BOX

PROBLEM TO BE SOLVED: To provide a safety door apparatus of control box configured to secure the safety by making impossible for a subdoor to be opened in a state where electric components are energized. SOLUTION: A safety apparatus 10 has a first arm 12 that is turnable in contact with a main door 6, a second arm 13 that is turnable in contact with a subdoor 7, and an engaging claw 14 that is engageable with a claw receiver 28 fastened to the second arm 13 and attached to the subdoor 7. The first arm 12 and the second arm 13 are formed to have steps in height direction. When the first arm 12 is in contact with the main door 6, the engaging claw 14 is in a position to be engaged with the claw receiver 28, and when second arm 13 is in contact with the subdoor 7, the engaging claw 14 is in an engagement release position to be disengaged from the claw receiver 28. COPYRIGHT: (C)2008,JPO&INPIT