Patent ID: 8493193

Claim:
An anti theft locking system for the cargo carrying portion of a truck, trailer or shipping container, said cargo carrying portion having right and left side walls, a ceiling, a floor, and including at least one access door, comprising: a signal actuated locking mechanism in electrical communication with signal transceiving and processing means, said signal actuated locking mechanism and said signal transceiving and processing means being located in a manually inaccessible location; said signal actuated locking mechanism adapted to lock said access door in response to a coded locking signal generated from the exterior of said cargo carrying portion and received and processed by said signal transceiving and processing means; said signal actuated locking mechanism adapted to unlock said access door in response to a coded unlocking signal generated from a remote location and received and processed by said signal transceiving and processing means; said cargo carrying portion including left and right access doors movable from an open position allowing access to said cargo carrying portion to a closed position denying access to said cargo carrying portion, one of said left and right access doors having upper and lower manual locking means, the other of said left and right access doors supporting said signal actuated locking mechanism, said signal actuated locking mechanism including upper and lower signal actuated locking means actuated by said coded locking and unlocking signals, each of said manual locking means and signal actuated locking means being located entirely within said cargo carrying portion when said left and right access doors are in their closed position and no part thereof can be manually accessed from outside said cargo carrying portion; and a steel base plate attached to said other of said left and right access doors along its outer vertical edge, said steel base plate containing said locking mechanism and associated signal receiving and processing means on its outer surface, and a cover attached to said steel base plate to provide a tamper proof enclosure for said locking mechanism and associated signal receiving and processing means.