Abstract: There is disclosed a toggle linkage for moving a closure panel between a ventilating position and a closed position. The closure panel is detachably arranged in an opening formed in a vehicle roof. The toggle linkage comprises a handle pivotably connected to the lower surface of the closure panel and having bearing lugs, a bearing component fixed on the lower surface of the vehicle roof and having a base, and a link mechanism for connecting the handle with the bearing component. In this arrangement, means are provided to limit rotation of the handle to a predetermined position whereby the closure panel is maintained in its ventilating position.