PROBLEM TO BE SOLVED: To provide a lock handle device for a double clamp type door capable of strengthening clamping force in the lock handle device for the clamp type door and strengthening protective force against an illegal unlocking.;SOLUTION: A lever handle is pivoted on a body case by the first fixed pivot, the front end section of an interlocking link is pivoted on a driving arm of the lever handle by the first movable pivot, the first clamp body and the second clamp body are respectively pivoted on the body case by the second fixed pivot and the third fixed pivot, and for an operation reference line at right angles to the front surface of the door and passing through the first fixed pivot, the second fixed pivot and the third fixed pivot are arranged to symmetrical positions, and a passive shoulder section of the first clamp body and a passive shoulder section of the second clamp body are connected to the rear end section of the interlocking link by the second movable pivot moved along the operation reference line. The front end hook section of the first clamp body is engaged with the first strike, and the first movable pivot makes the operation reference line come to a position across the second fixed pivot side in a state to lock the door engaging the front end hook section of the second clamp body with the second strike.;COPYRIGHT: (C)2006,JPO&NCIPI
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