Patent attributes
A lock box assembly for enclosing and protecting a plastic security seal on the latch assembly of the door on a cargo container or trailer. The lock box includes first and second box members that together form an enclosure for the hasp assembly that holds the seal. Cooperating latch arm slots in the sides of the box members capture the latch arm, thereby securing the lock box to the latch assembly and preventing access to the seal. Aligned holes in the sides of the box members receive a lock pin. This configuration provides a lock box that is simple in design and easy to attach and remove using any conventional lock pin. The box is secured to the latch assembly by capturing the latch arm in the slots, eliminating the need for any structure to pass through the hasps, leaving the seal undisturbed.