US Patent 12059993 Cargo trailer access door security barrier

The present invention is a cargo trailer security apparatus for use with a cargo trailer or similar container having rear entry outward swing or roll-up doors. The security apparatus creates a barrier to entry into the interior cargo space through the rear doors when the trailer is backed against the apparatus. The apparatus includes a base assembly with a bollard, a support assembly having a vertical central post and two parallel barrier mounted on the central post, and a door handle and latch block.