FR-31Q Single elongated U-frame / dovetail foundation
The CONTECH® single elongated U-frame or dovetail foundation gets welded onto the side of the hatch cover of the vessel. The fitting has an angle of 45 degrees and is used in combination with the U-frame or dovetail bottom twist lock B-45, B-45LL, B-46 to lock the corner castings of the container. The elongation allows for the movement between the hatch cover and the stanchion where the container is resting.
A5.1 (A5.4), AA-2J-240, F597-1