| 摘要 |
An interlock device for a casing of double door structure can enable power supply with one switch only when both doors are closed. The interlock device includes a lever pivotably supported at an intermediate portion and being pivoted in a predetermined direction as pushed one end portion by the first door when the first door is closed, a link member responsive to pivot motion of the lever to the predetermined position and driven by the other end of the lever to be moved from a first position on the side of the first door to a second position on the side of the second door, a pushing member mounted on the link member and responsive to closure of the second door while the link member is placed at the second position, to be pushed into a third position, and a switch responsive to the pushing member placed at the third position to turn ON power supply for the apparatus.
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