Trailer locking system

A trailer locking apparatus, including:

• a plurality of substantially rigid frame members adapted for assembly into a trailer locking arrangement;
• a plurality of coupling plates mounted integrally to free end portions of the frame members and adapted to form pairs of adjacent confronting coupling plates when the frame members are assembled into the locking arrangement;
• wherein the coupling plates have respective locking apertures, and the locking apertures of each confronting coupling plate pair are alignable to receive a locking device for forming a releasable locking engagement of the coupling plate pair;
• and
• wherein a first coupling plate of each coupling plate pair supports a locking pin that extends longitudinally away from the first coupling plate and is spaced apart transversely from its associated locking aperture, and a second coupling plate of the coupling plate pair includes a pin-receiving aperture spaced apart transversely from its associated locking aperture to receive the locking pin and thereby prevent any substantial rotation of the coupling plates relative to one another about longitudinal axes when the coupling plates are in said releasable locking engagement.

A trailer lock and carrier system for use with a trailer having a deck, a perimeter wall extending upwardly from the deck, a roof cooperating with the deck and perimeter wall to enclose an interior of the trailer, an entrance along the perimeter wall, and a door mounted to the perimeter wall for closing the entrance;

• the lock and carrier system including:
• a plurality of substantially rigid frame members;
• a coupling structure for releasably securing the frame members to one another to form a trailer locking frame;
• a locking frame support assembly including an upright support member fixed at a lower end region thereof to a selected one of the frame members, and a top support member fixed to an upper end region of the upright support member;
• a mounting component adapted to mount the locking frame support assembly integrally to a trailer with the top support member extending over a roof of the trailer and with the upright support member extending downwardly from the top support member along a perimeter wall of the trailer to locate the selected frame member in close proximity to the perimeter wall, thereby to support the locking frame in a locking position with a portion of the locking frame extending across an entrance of the trailer to prevent the opening of a door at the entrance to gain entry into the trailer, so long as the frame members are so secured.