Intermediate Twist Lock

The middle torsion lock (Twistlock) has a left lock and a right spin lock, that is, when the operation handle is located in the solid line position, the torsion lock is in a non-locking state, when the operation handle from right to left to the limit position, the torsion lock up to the locking state. For this reason, when using, you should first place the operation handle in a non-locking state and place it in a corner hole or protruding base at the top of the top of the lower container, and after the upper container is stacked, turn the operation handle to connect the box to the box with the base. When unloading the box should first use the torsion lock lever to turn the operation handle to the torsion lock non-locking position can be unloaded box.